The Last.fm Scrobble Fetcher & Mapper (Scrobble Mapper for short) fetches all your scrobbles from your (or anyone’s, really) Last.fm account, assembles them in terms of Play Count and Date Last Played for each music track, and then exports this data to either Windows Media Player 11 or iTunes.
I hosted it here so that it may be expanded and because I personally don't have enough time to maintain it.
Read more about on my blog at : http://theinstructionlimit.com/?p=146