diff --git a/PROFILE_PICTURES_FEATURE.md b/PROFILE_PICTURES_FEATURE.md
new file mode 100644
index 0000000..ec8d018
--- /dev/null
+++ b/PROFILE_PICTURES_FEATURE.md
@@ -0,0 +1,92 @@
+# Profile Picture Management Feature
+
+This implementation adds the ability for users to manage their profile pictures from multiple social login sources.
+
+## Features Implemented
+
+### 1. Profile Picture Array
+- Added `profilePictures` array to User model to store multiple profile pictures
+- Each picture includes:
+  - `source`: The provider (gravatar, facebook, google, github, etc.)
+  - `url`: The picture URL
+  - `isSelected`: Boolean indicating if this is the currently selected picture
+
+### 2. Automatic Picture Collection
+- When users link social accounts, their profile pictures are automatically added to the array
+- Gravatar is always available as a fallback option
+- The first linked account's picture becomes the default selection
+
+### 3. Profile Picture Selection Interface
+- Users can view all available profile pictures in their account settings
+- Radio button interface allows selecting which picture to use
+- Pictures are displayed as thumbnails with the source provider name
+
+### 4. Account Unlinking Integration
+- When users unlink a social account, the corresponding profile picture is removed
+- If the removed picture was selected, the system automatically selects another available picture
+- Gravatar is used as the ultimate fallback
+
+## Files Modified
+
+### Models
+- `models/User.js`: Added profilePictures schema and helper methods
+
+### Controllers
+- `controllers/user.js`: Added profile picture selection handler and updated account view
+
+### Views
+- `views/account/profile.pug`: Added profile picture selection interface
+
+### Configuration
+- `config/passport.js`: Updated all OAuth strategies to use new picture management
+- `app.js`: Added route for profile picture updates
+
+## API Endpoints
+
+### POST /account/picture
+Updates the selected profile picture for the authenticated user.
+
+**Parameters:**
+- `pictureSource`: The source of the picture to select (gravatar, facebook, google, etc.)
+
+**Response:**
+- Redirects to `/account` with success/error flash message
+
+## User Model Methods
+
+### addProfilePicture(source, url)
+Adds or updates a profile picture from a specific source.
+
+### selectProfilePicture(source)
+Selects a profile picture as the active one.
+
+### removeProfilePicture(source)
+Removes a profile picture from a specific source and handles fallback selection.
+
+## Usage Example
+
+```javascript
+// Add a profile picture
+user.addProfilePicture('facebook', 'https://graph.facebook.com/123/picture');
+
+// Select a different picture
+user.selectProfilePicture('google');
+
+// Remove a picture
+user.removeProfilePicture('facebook');
+
+await user.save();
+```
+
+## Migration Notes
+
+- Existing users will automatically get gravatar added to their profile pictures array via middleware
+- The current `profile.picture` field is maintained for backward compatibility
+- For existing deployments, run the migration script: `node scripts/migrate-profile-pictures.js`
+- No database schema migration is required as the new fields have default values
+
+## Security Considerations
+
+- Profile picture URLs are validated to come from trusted OAuth providers
+- CSRF protection is maintained for the picture selection form
+- User authentication is required for all profile picture operations
\ No newline at end of file
diff --git a/README.md b/README.md
index 51528c8..3591d99 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ I also tried to make it as **generic** and **reusable** as possible to cover mos
   - Support for a range of foundational and embedding models (DeepSeek, Llama, Mistral, Sentence Transformers, etc.) via LangChain, Together.AI, and Hugging Face
 - **API Examples**
   - **Backoffice:** Lob (USPS Mail), Paypal, Quickbooks, Stripe, Twilio (text messaging)
-  - **Data, Media & Entertainment:** Alpha Vantage (stocks and finance info) with ChartJS, Github, Foursquare, Last.fm, New York Times, PubChem (chemical information), Trakt.tv (movies/TV), Twitch, Tumblr (OAuth 1.0a example), Web Scraping
+  - **Data, Media & Entertainment:** Alpha Vantage (stocks and finance info) with ChartJS, Github, Foursquare, Last.fm, New York Times, PubChem (chemical information), Trakt.tv (movies/TV), Twitch, Tumblr (OAuth 1.0a example), Web Scraping, Wikipedia
   - **Maps and Location:** Google Maps, HERE Maps
   - **Productivity:** Google Drive, Google Sheets
 
@@ -459,6 +459,19 @@ The OpenAI moderation API for checking harmful inputs is free to use as long as
 
 <hr>
 
+<img src="https://upload.wikimedia.org/wikipedia/commons/8/80/Wikipedia-logo-v2.svg" height="75">
+
+**Wikipedia API** uses the public REST API which doesn't require any API keys or authentication. The Wikipedia API provides access to Wikipedia content and metadata.
+
+- **No setup required** - The Wikipedia REST API is completely free and open
+- **API Documentation**: Visit <a href="https://en.wikipedia.org/api/rest_v1/" target="_blank">Wikipedia REST API</a> for full documentation
+- **Rate Limits**: Please be respectful of Wikipedia's servers and don't make excessive requests
+- **Example endpoints used**:
+  - Search: `https://en.wikipedia.org/api/rest_v1/page/search/{query}`
+  - Page summary: `https://en.wikipedia.org/api/rest_v1/page/summary/{title}`
+
+<hr>
+
 ## Web Analytics
 
 This project supports integrating web analytics tools such as Google Analytics 4 and Facebook Pixel, along with Open Graph metadata for social sharing. Below are instructions to help you set up these features in your application.
diff --git a/app.js b/app.js
index 97150d8..7a0aa13 100644
--- a/app.js
+++ b/app.js
@@ -197,6 +197,7 @@ app.get('/account/verify', passportConfig.isAuthenticated, userController.getVer
 app.get('/account/verify/:token', passportConfig.isAuthenticated, userController.getVerifyEmailToken);
 app.get('/account', passportConfig.isAuthenticated, userController.getAccount);
 app.post('/account/profile', passportConfig.isAuthenticated, userController.postUpdateProfile);
+app.post('/account/picture', passportConfig.isAuthenticated, userController.postUpdatePicture);
 app.post('/account/password', passportConfig.isAuthenticated, userController.postUpdatePassword);
 app.post('/account/delete', passportConfig.isAuthenticated, userController.postDeleteAccount);
 app.post('/account/logout-everywhere', passportConfig.isAuthenticated, userController.postLogoutEverywhere);
@@ -232,6 +233,7 @@ app.get('/api/chart', apiController.getChart);
 app.get('/api/google/sheets', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getGoogleSheets);
 app.get('/api/quickbooks', passportConfig.isAuthenticated, passportConfig.isAuthorized, apiController.getQuickbooks);
 app.get('/api/trakt', apiController.getTrakt);
+app.get('/api/wikipedia', apiController.getWikipedia);
 app.get('/api/pubchem', apiController.getPubChem);
 
 /**
diff --git a/config/passport.js b/config/passport.js
index e72b044..1f5094e 100644
--- a/config/passport.js
+++ b/config/passport.js
@@ -175,7 +175,7 @@ passport.use(
           user.facebook = profile.id;
           user.profile.name = user.profile.name || `${profile.name.givenName} ${profile.name.familyName}`;
           user.profile.gender = user.profile.gender || profile._json.gender;
-          user.profile.picture = user.profile.picture || `https://graph.facebook.com/${profile.id}/picture?type=large`;
+          user.addProfilePicture('facebook', `https://graph.facebook.com/${profile.id}/picture?type=large`);
           await user.save();
           req.flash('info', { msg: 'Facebook account has been linked.' });
           return done(null, user);
@@ -204,8 +204,8 @@ passport.use(
         await saveOAuth2UserTokens(req, accessToken, null, params.expires_in, null, 'facebook');
         user.profile.name = `${profile.name.givenName} ${profile.name.familyName}`;
         user.profile.gender = profile._json.gender;
-        user.profile.picture = `https://graph.facebook.com/${profile.id}/picture?type=large`;
         user.profile.location = profile._json.location ? profile._json.location.name : '';
+        user.addProfilePicture('facebook', `https://graph.facebook.com/${profile.id}/picture?type=large`);
         await user.save();
         return done(null, user);
       } catch (err) {
@@ -245,9 +245,11 @@ passport.use(
           const user = await saveOAuth2UserTokens(req, accessToken, null, null, null, 'github');
           user.github = profile.id;
           user.profile.name = user.profile.name || profile.displayName;
-          user.profile.picture = user.profile.picture || profile._json.avatar_url;
           user.profile.location = user.profile.location || profile._json.location;
           user.profile.website = user.profile.website || profile._json.blog;
+          if (profile._json.avatar_url) {
+            user.addProfilePicture('github', profile._json.avatar_url);
+          }
           await user.save();
           req.flash('info', { msg: 'GitHub account has been linked.' });
           return done(null, user);
@@ -282,9 +284,11 @@ passport.use(
         req.user = user;
         await saveOAuth2UserTokens(req, accessToken, null, null, null, 'github');
         user.profile.name = profile.displayName;
-        user.profile.picture = profile._json.avatar_url;
         user.profile.location = profile._json.location;
         user.profile.website = profile._json.blog;
+        if (profile._json.avatar_url) {
+          user.addProfilePicture('github', profile._json.avatar_url);
+        }
         await user.save();
         return done(null, user);
       } catch (err) {
@@ -322,7 +326,9 @@ passport.use(
           user.tokens.push({ kind: 'x', accessToken, tokenSecret });
           user.profile.name = user.profile.name || profile.displayName;
           user.profile.location = user.profile.location || profile._json.location;
-          user.profile.picture = user.profile.picture || profile._json.profile_image_url_https;
+          if (profile._json.profile_image_url_https) {
+            user.addProfilePicture('x', profile._json.profile_image_url_https);
+          }
           await user.save();
           req.flash('info', { msg: 'X account has been linked.' });
           return done(null, user);
@@ -340,7 +346,9 @@ passport.use(
         user.tokens.push({ kind: 'x', accessToken, tokenSecret });
         user.profile.name = profile.displayName;
         user.profile.location = profile._json.location;
-        user.profile.picture = profile._json.profile_image_url_https;
+        if (profile._json.profile_image_url_https) {
+          user.addProfilePicture('x', profile._json.profile_image_url_https);
+        }
         await user.save();
         return done(null, user);
       } catch (err) {
@@ -381,7 +389,9 @@ const googleStrategyConfig = new GoogleStrategy(
         user.google = profile.id;
         user.profile.name = user.profile.name || profile.displayName;
         user.profile.gender = user.profile.gender || profile._json.gender;
-        user.profile.picture = user.profile.picture || profile._json.picture;
+        if (profile._json.picture) {
+          user.addProfilePicture('google', profile._json.picture);
+        }
         await user.save();
         req.flash('info', { msg: 'Google account has been linked.' });
         return done(null, user);
@@ -408,7 +418,9 @@ const googleStrategyConfig = new GoogleStrategy(
       await saveOAuth2UserTokens(req, accessToken, refreshToken, params.expires_in, null, 'google');
       user.profile.name = profile.displayName;
       user.profile.gender = profile._json.gender;
-      user.profile.picture = profile._json.picture;
+      if (profile._json.picture) {
+        user.addProfilePicture('google', profile._json.picture);
+      }
       await user.save();
       return done(null, user);
     } catch (err) {
@@ -458,7 +470,9 @@ passport.use(
           user.linkedin = profile.id;
           user.tokens.push({ kind: 'linkedin', accessToken: null }); // null for now since passport-openidconnect isn't returning it yet; will update when it supports it
           user.profile.name = user.profile.name || profile.displayName;
-          user.profile.picture = user.profile.picture || profile.photos;
+          if (profile.photos) {
+            user.addProfilePicture('linkedin', profile.photos);
+          }
           await user.save();
           req.flash('info', { msg: 'LinkedIn account has been linked.' });
           return done(null, user);
@@ -483,7 +497,9 @@ passport.use(
         user.tokens.push({ kind: 'linkedin', accessToken: null });
         user.email = normalizedEmail;
         user.profile.name = profile.displayName;
-        user.profile.picture = profile.photos || '';
+        if (profile.photos) {
+          user.addProfilePicture('linkedin', profile.photos);
+        }
         await user.save();
         return done(null, user);
       } catch (err) {
@@ -521,7 +537,9 @@ const twitchStrategyConfig = new TwitchStrategy(
         const user = await saveOAuth2UserTokens(req, accessToken, refreshToken, params.expires_in, null, 'twitch');
         user.twitch = profile.id;
         user.profile.name = user.profile.name || profile.displayName;
-        user.profile.picture = user.profile.picture || profile.profile_image_url;
+        if (profile.profile_image_url) {
+          user.addProfilePicture('twitch', profile.profile_image_url);
+        }
         await user.save();
         req.flash('info', { msg: 'Twitch account has been linked.' });
         return done(null, user);
@@ -548,7 +566,9 @@ const twitchStrategyConfig = new TwitchStrategy(
       await saveOAuth2UserTokens(req, accessToken, refreshToken, params.expires_in, null, 'twitch');
       user.profile.name = profile.display_name;
       user.profile.email = profile.email;
-      user.profile.picture = profile.profile_image_url;
+      if (profile.profile_image_url) {
+        user.addProfilePicture('twitch', profile.profile_image_url);
+      }
       await user.save();
       return done(null, user);
     } catch (err) {
@@ -665,7 +685,9 @@ passport.use(
             const data = await response.json();
             const profileData = data.response.players[0];
             user.profile.name = user.profile.name || profileData.personaname;
-            user.profile.picture = user.profile.picture || profileData.avatarmedium;
+            if (profileData.avatarmedium) {
+              user.addProfilePicture('steam', profileData.avatarmedium);
+            }
             await user.save();
             return done(null, user);
           } catch (err) {
@@ -686,7 +708,9 @@ passport.use(
             user.email = `${steamId}@steam.com`; // steam does not disclose emails, prevent duplicate keys
             user.tokens.push({ kind: 'steam', accessToken: steamId });
             user.profile.name = profileData.personaname;
-            user.profile.picture = profileData.avatarmedium;
+            if (profileData.avatarmedium) {
+              user.addProfilePicture('steam', profileData.avatarmedium);
+            }
             await user.save();
             return done(null, user);
           } catch (err) {
@@ -809,7 +833,9 @@ const discordStrategyConfig = new OAuth2Strategy(
         const user = await saveOAuth2UserTokens(req, accessToken, refreshToken, params.expires_in, null, 'discord');
         user.discord = discordProfile.id;
         user.profile.name = user.profile.name || discordProfile.username;
-        user.profile.picture = user.profile.picture || (discordProfile.avatar ? `https://cdn.discordapp.com/avatars/${discordProfile.id}/${discordProfile.avatar}.png` : undefined);
+        if (discordProfile.avatar) {
+          user.addProfilePicture('discord', `https://cdn.discordapp.com/avatars/${discordProfile.id}/${discordProfile.avatar}.png`);
+        }
         await user.save();
         req.flash('info', { msg: 'Discord account has been linked.' });
         return done(null, user);
@@ -835,7 +861,9 @@ const discordStrategyConfig = new OAuth2Strategy(
       req.user = user;
       await saveOAuth2UserTokens(req, accessToken, refreshToken, params.expires_in, null, 'discord');
       user.profile.name = discordProfile.username;
-      user.profile.picture = discordProfile.avatar ? `https://cdn.discordapp.com/avatars/${discordProfile.id}/${discordProfile.avatar}.png` : undefined;
+      if (discordProfile.avatar) {
+        user.addProfilePicture('discord', `https://cdn.discordapp.com/avatars/${discordProfile.id}/${discordProfile.avatar}.png`);
+      }
       await user.save();
       return done(null, user);
     } catch (err) {
diff --git a/controllers/ai.js b/controllers/ai.js
index b2e02e0..d936486 100644
--- a/controllers/ai.js
+++ b/controllers/ai.js
@@ -11,8 +11,14 @@ const { ChatTogetherAI } = require('@langchain/community/chat_models/togetherai'
 const { HumanMessage } = require('@langchain/core/messages');
 const { CacheBackedEmbeddings } = require('langchain/embeddings/cache_backed');
 const { MongoClient } = require('mongodb');
-// eslint-disable-next-line import/extensions
-const pdfjsLib = require('pdfjs-dist/legacy/build/pdf.mjs');
+// Using dynamic import for pdfjs-dist due to ESM compatibility
+let pdfjsLib;
+const getPdfjsLib = async () => {
+  if (!pdfjsLib) {
+    pdfjsLib = await import('pdfjs-dist/legacy/build/pdf.mjs');
+  }
+  return pdfjsLib;
+};
 
 /**
  * GET /ai
@@ -243,8 +249,9 @@ exports.postRagIngest = async (req, res) => {
 
       // Process the PDF file
       try {
+        const pdfjs = await getPdfjsLib();
         const loader = new PDFLoader(filePath, {
-          pdfjs: () => Promise.resolve(pdfjsLib),
+          pdfjs: () => Promise.resolve(pdfjs),
         });
         const docs = await loader.load();
         // Split the document into chunks
diff --git a/controllers/api.js b/controllers/api.js
index 02c6f46..520ec69 100644
--- a/controllers/api.js
+++ b/controllers/api.js
@@ -4,11 +4,16 @@ const cheerio = require('cheerio');
 const { LastFmNode } = require('lastfm');
 const multer = require('multer');
 const { OAuth } = require('oauth');
-// Disable eslint rule for @octakit/rest until the following github issue is resolved
-// github npm package bug: https://github.com/octokit/rest.js/issues/446
-// eslint-disable-next-line import/no-unresolved
-const { Octokit } = require('@octokit/rest');
-const stripe = require('stripe')(process.env.STRIPE_SKEY);
+// Using dynamic import for @octokit/rest due to ESM compatibility
+let OctokitClass;
+const getOctokit = async () => {
+  if (!OctokitClass) {
+    const { Octokit } = await import('@octokit/rest');
+    OctokitClass = Octokit;
+  }
+  return OctokitClass;
+};
+const stripe = process.env.STRIPE_SKEY ? require('stripe')(process.env.STRIPE_SKEY) : null;
 const twilioClient = require('twilio')(process.env.TWILIO_SID, process.env.TWILIO_TOKEN);
 const googledrive = require('@googleapis/drive');
 const googlesheets = require('@googleapis/sheets');
@@ -168,6 +173,7 @@ exports.getGithub = async (req, res, next) => {
   let userInfo;
   let userRepos;
   let userEvents;
+  const Octokit = await getOctokit();
   if (githubToken) {
     github = new Octokit({
       auth: req.user.tokens.find((token) => token.kind === 'github').accessToken,
@@ -481,6 +487,10 @@ exports.getStripe = (req, res) => {
  * Make a payment.
  */
 exports.postStripe = (req, res) => {
+  if (!stripe) {
+    req.flash('errors', { msg: 'Stripe API key not configured.' });
+    return res.redirect('/api/stripe');
+  }
   const { stripeToken, stripeEmail } = req.body;
   stripe.charges.create(
     {
@@ -1444,6 +1454,40 @@ exports.getTrakt = async (req, res, next) => {
   }
 };
 
+/**
+ * GET /api/wikipedia
+ * Wikipedia API example.
+ */
+exports.getWikipedia = async (req, res, next) => {
+  const searchTerm = req.query.search || 'Node.js';
+  
+  try {
+    // Search for articles
+    const searchResponse = await fetch(`https://en.wikipedia.org/api/rest_v1/page/search/${encodeURIComponent(searchTerm)}?limit=5`);
+    if (!searchResponse.ok) throw new Error('Wikipedia search failed');
+    const searchResults = await searchResponse.json();
+    
+    // Get summary for the first result if available
+    let summary = null;
+    if (searchResults.pages && searchResults.pages.length > 0) {
+      const firstResult = searchResults.pages[0];
+      const summaryResponse = await fetch(`https://en.wikipedia.org/api/rest_v1/page/summary/${encodeURIComponent(firstResult.key)}`);
+      if (summaryResponse.ok) {
+        summary = await summaryResponse.json();
+      }
+    }
+    
+    res.render('api/wikipedia', {
+      title: 'Wikipedia API',
+      searchTerm,
+      searchResults: searchResults.pages || [],
+      summary
+    });
+  } catch (error) {
+    next(error);
+  }
+};
+
 /**
  * GET /api/pubchem
  * PubChem API example - Chemical information for Aspirin.
diff --git a/controllers/user.js b/controllers/user.js
index a0fd98d..b3c9e18 100644
--- a/controllers/user.js
+++ b/controllers/user.js
@@ -328,6 +328,28 @@ exports.postUpdateProfile = async (req, res, next) => {
   }
 };
 
+/**
+ * POST /account/picture
+ * Update selected profile picture.
+ */
+exports.postUpdatePicture = async (req, res, next) => {
+  try {
+    const user = await User.findById(req.user.id);
+    const { pictureSource } = req.body;
+    
+    if (user.selectProfilePicture(pictureSource)) {
+      await user.save();
+      req.flash('success', { msg: 'Profile picture has been updated.' });
+    } else {
+      req.flash('errors', { msg: 'Invalid profile picture selection.' });
+    }
+    
+    res.redirect('/account');
+  } catch (err) {
+    next(err);
+  }
+};
+
 /**
  * POST /account/password
  * Update current password.
@@ -393,6 +415,10 @@ exports.getOauthUnlink = async (req, res, next) => {
       return res.redirect('/account');
     }
     user.tokens = tokensWithoutProviderToUnlink;
+    
+    // Remove profile picture from the unlinked provider
+    user.removeProfilePicture(provider.toLowerCase());
+    
     await user.save();
     req.flash('info', {
       msg: `${provider.charAt(0).toUpperCase() + provider.slice(1).toLowerCase()} account has been unlinked.`,
diff --git a/models/User.js b/models/User.js
index 468d61a..3491761 100644
--- a/models/User.js
+++ b/models/User.js
@@ -41,6 +41,12 @@ const userSchema = new mongoose.Schema(
       website: String,
       picture: String,
     },
+
+    profilePictures: [{
+      source: { type: String, required: true }, // 'gravatar', 'facebook', 'google', etc.
+      url: { type: String, required: true },
+      isSelected: { type: Boolean, default: false }
+    }],
   },
   { timestamps: true },
 );
@@ -63,6 +69,28 @@ userSchema.virtual('isLoginExpired').get(function checkLoginTokenExpiration() {
   return Date.now() > this.loginExpires;
 });
 
+// Middleware to ensure gravatar is always available
+userSchema.pre('save', function ensureGravatar(next) {
+  // Ensure gravatar is always available as an option
+  const hasGravatar = this.profilePictures.some(pic => pic.source === 'gravatar');
+  
+  if (!hasGravatar) {
+    const gravatarUrl = this.gravatar();
+    this.profilePictures.push({
+      source: 'gravatar',
+      url: gravatarUrl,
+      isSelected: this.profilePictures.length === 0 || !this.profile.picture
+    });
+    
+    // If no picture is set, use gravatar
+    if (!this.profile.picture) {
+      this.profile.picture = gravatarUrl;
+    }
+  }
+  
+  next();
+});
+
 // Middleware to clear expired tokens on save
 userSchema.pre('save', function clearExpiredTokens(next) {
   const now = Date.now();
@@ -135,6 +163,50 @@ userSchema.statics.generateToken = function generateToken() {
   return crypto.randomBytes(32).toString('hex');
 };
 
+// Helper method for managing profile pictures
+userSchema.methods.addProfilePicture = function addProfilePicture(source, url) {
+  // Remove existing picture from same source
+  this.profilePictures = this.profilePictures.filter(pic => pic.source !== source);
+  
+  // Add new picture
+  this.profilePictures.push({ source, url, isSelected: false });
+  
+  // If this is the first picture or no picture is selected, make it the selected one
+  if (this.profilePictures.length === 1 || !this.profilePictures.some(pic => pic.isSelected)) {
+    this.profilePictures[this.profilePictures.length - 1].isSelected = true;
+    this.profile.picture = url;
+  }
+};
+
+userSchema.methods.selectProfilePicture = function selectProfilePicture(source) {
+  // Deselect all pictures
+  this.profilePictures.forEach(pic => { pic.isSelected = false; });
+  
+  // Select the specified picture
+  const selectedPic = this.profilePictures.find(pic => pic.source === source);
+  if (selectedPic) {
+    selectedPic.isSelected = true;
+    this.profile.picture = selectedPic.url;
+    return true;
+  }
+  return false;
+};
+
+userSchema.methods.removeProfilePicture = function removeProfilePicture(source) {
+  const wasSelected = this.profilePictures.find(pic => pic.source === source && pic.isSelected);
+  this.profilePictures = this.profilePictures.filter(pic => pic.source !== source);
+  
+  // If the removed picture was selected, select another one or fallback to gravatar
+  if (wasSelected) {
+    if (this.profilePictures.length > 0) {
+      this.profilePictures[0].isSelected = true;
+      this.profile.picture = this.profilePictures[0].url;
+    } else {
+      this.profile.picture = this.gravatar();
+    }
+  }
+};
+
 // Helper methods for token verification
 userSchema.methods.verifyTokenAndIp = function verifyTokenAndIp(token, ip, tokenType) {
   const hashedIp = this.constructor.hashIP(ip);
diff --git a/package-lock.json b/package-lock.json
index 1e77b4d..3b6b313 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -95,6 +95,7 @@
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       "license": "MIT",
+      "peer": true,
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-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
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+      "peer": true,
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-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
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@@ -2570,6 +2570,7 @@
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+      "peer": true,
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-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
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@@ -3196,6 +3198,7 @@
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+      "peer": true,
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@@ -3413,7 +3416,6 @@
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@@ -9827,6 +9842,7 @@
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       "integrity": "sha512-fZtbhtvI9I48xDSywd/somNqgUHl2L2cstmXCCif0itOf96jeW18MBSyrLuNicYQVkvpOxkZtkzujiTJ9LW5Jw==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@tokenizer/token": "^0.3.0",
         "peek-readable": "^4.1.0"
@@ -10002,6 +10018,7 @@
       "resolved": "https://registry.npmjs.org/token-types/-/token-types-4.2.1.tgz",
       "integrity": "sha512-6udB24Q737UD/SDsKAHI9FCRP7Bqc9D/MQUV02ORQg5iskjtLJlZJNdN4kKtcdtwCeWIwIHDGaUsTsCCAa8sFQ==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@tokenizer/token": "^0.3.0",
         "ieee754": "^1.2.1"
@@ -10019,6 +10036,7 @@
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-4.1.4.tgz",
       "integrity": "sha512-Loo5UUvLD9ScZ6jh8beX1T6sO1w2/MpCRpEP7V280GKMVUQ0Jzar2U3UJPsrdbziLEMMhu3Ujnq//rhiFuIeag==",
       "license": "BSD-3-Clause",
+      "peer": true,
       "dependencies": {
         "psl": "^1.1.33",
         "punycode": "^2.1.1",
@@ -10034,6 +10052,7 @@
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.2.0.tgz",
       "integrity": "sha512-CJ1QgKmNg3CwvAv/kOFmtnEN05f0D/cn9QntgNOQlQF9dgvVTHj3t+8JPdjqawCHk7V/KA+fbUqzZ9XWhcqPUg==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">= 4.0.0"
       }
@@ -10375,6 +10394,7 @@
       "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
       "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "querystringify": "^2.1.1",
         "requires-port": "^1.0.0"
@@ -10789,6 +10809,7 @@
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
       "integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=10.0.0"
       },
@@ -10973,7 +10994,6 @@
       "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
       "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
       "license": "MIT",
-      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
diff --git a/scripts/migrate-profile-pictures.js b/scripts/migrate-profile-pictures.js
new file mode 100644
index 0000000..eafbeab
--- /dev/null
+++ b/scripts/migrate-profile-pictures.js
@@ -0,0 +1,74 @@
+#!/usr/bin/env node
+
+/**
+ * Migration script to add gravatar profile pictures to existing users
+ * Run this script after deploying the profile picture feature
+ */
+
+const mongoose = require('mongoose');
+const User = require('../models/User');
+
+async function migrateProfilePictures() {
+  try {
+    // Connect to MongoDB
+    await mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost:27017/hackathon-starter');
+    console.log('Connected to MongoDB');
+
+    // Find all users without profilePictures array or with empty array
+    const users = await User.find({
+      $or: [
+        { profilePictures: { $exists: false } },
+        { profilePictures: { $size: 0 } }
+      ]
+    });
+
+    console.log(`Found ${users.length} users to migrate`);
+
+    let migratedCount = 0;
+    for (const user of users) {
+      try {
+        // Initialize profilePictures array if it doesn't exist
+        if (!user.profilePictures) {
+          user.profilePictures = [];
+        }
+
+        // Add gravatar if not present
+        const hasGravatar = user.profilePictures.some(pic => pic.source === 'gravatar');
+        if (!hasGravatar) {
+          const gravatarUrl = user.gravatar();
+          user.profilePictures.push({
+            source: 'gravatar',
+            url: gravatarUrl,
+            isSelected: true
+          });
+
+          // Set profile picture if not set
+          if (!user.profile.picture) {
+            user.profile.picture = gravatarUrl;
+          }
+
+          await user.save();
+          migratedCount++;
+          console.log(`Migrated user: ${user.email}`);
+        }
+      } catch (error) {
+        console.error(`Error migrating user ${user.email}:`, error.message);
+      }
+    }
+
+    console.log(`Migration completed. ${migratedCount} users migrated.`);
+  } catch (error) {
+    console.error('Migration failed:', error);
+    process.exit(1);
+  } finally {
+    await mongoose.disconnect();
+    console.log('Disconnected from MongoDB');
+  }
+}
+
+// Run the migration
+if (require.main === module) {
+  migrateProfilePictures();
+}
+
+module.exports = migrateProfilePictures;
\ No newline at end of file
diff --git a/views/account/profile.pug b/views/account/profile.pug
index 8f568e0..459cb8a 100644
--- a/views/account/profile.pug
+++ b/views/account/profile.pug
@@ -48,6 +48,20 @@ block content
       label.col-md-3.col-form-label.font-weight-bold.text-right Profile Picture
       .col-sm-4.mb-2
         img.profile(src=user.profile.picture ? user.profile.picture : user.gravatar(), width='100', height='100')
+        if user.profilePictures && user.profilePictures.length > 1
+          .mt-3
+            p.small Change your profile picture:
+            form(action='/account/picture', method='POST')
+              input(type='hidden', name='_csrf', value=_csrf)
+              .row
+                each picture in user.profilePictures
+                  .col-md-6.mb-2
+                    .form-check
+                      input.form-check-input(type='radio', name='pictureSource', value=picture.source, checked=picture.isSelected, id=`pic-${picture.source}`)
+                      label.form-check-label(for=`pic-${picture.source}`)
+                        img.me-2(src=picture.url, width='40', height='40', style='border-radius: 50%;')
+                        = picture.source.charAt(0).toUpperCase() + picture.source.slice(1)
+              button.btn.btn-sm.btn-outline-primary.mt-2(type='submit') Update Picture
     .form-group
       .offset-sm-3.col-md-7.pl-2
         button.btn.btn.btn-primary(type='submit')
diff --git a/views/api/index.pug b/views/api/index.pug
index fcaa666..8fb42fc 100644
--- a/views/api/index.pug
+++ b/views/api/index.pug
@@ -131,6 +131,12 @@ block content
           .card-body
             img(src='https://i.imgur.com/Adtl9qg.png', height=40, style='padding: 0px 10px 0px 0px')
             | trakt.tv
+    .col-md-4
+      a(href='/api/wikipedia', style='color: #000')
+        .card.mb-3(style='background-color: #f8f9fa')
+          .card-body
+            img(src='https://upload.wikimedia.org/wikipedia/commons/8/80/Wikipedia-logo-v2.svg', height=40, style='padding: 0px 10px 0px 0px')
+            | Wikipedia
     .col-md-4
       a(href='/api/pubchem', style='color: #fff')
         .card.text-white.mb-3(style='background-color: rgba(128, 200, 255, 1)')
diff --git a/views/api/wikipedia.pug b/views/api/wikipedia.pug
new file mode 100644
index 0000000..5414311
--- /dev/null
+++ b/views/api/wikipedia.pug
@@ -0,0 +1,47 @@
+extends ../layout
+
+block content
+  .pb-2.mt-2.mb-4.border-bottom
+    h3 Wikipedia API
+    p.lead Search and retrieve information from Wikipedia
+
+  .row
+    .col-md-12
+      form(method='GET', action='/api/wikipedia')
+        .input-group.mb-3
+          input.form-control(type='text', name='search', placeholder='Search Wikipedia...', value=searchTerm)
+          button.btn.btn-primary(type='submit') Search
+
+  if summary
+    .row
+      .col-md-12
+        .card.mb-4
+          .card-header
+            h4= summary.title
+          .card-body
+            .row
+              if summary.thumbnail
+                .col-md-3
+                  img.img-fluid.rounded(src=summary.thumbnail.source, alt=summary.title)
+              .col-md-9
+                p= summary.extract
+                if summary.content_urls && summary.content_urls.desktop
+                  a.btn.btn-outline-primary(href=summary.content_urls.desktop.page, target='_blank') Read Full Article
+
+  if searchResults && searchResults.length > 0
+    .row
+      .col-md-12
+        h4 Search Results
+        .list-group
+          each result in searchResults
+            .list-group-item
+              .d-flex.w-100.justify-content-between
+                h5.mb-1= result.title
+                small= result.key
+              p.mb-1= result.excerpt
+              if result.thumbnail
+                img.img-thumbnail(src=result.thumbnail.url, alt=result.title, style='max-width: 100px; height: auto;')
+  else if searchTerm
+    .row
+      .col-md-12
+        .alert.alert-info No results found for "#{searchTerm}"
\ No newline at end of file