Playing Last.fm through Airtunes

[Herr Professor Doktor Doom]

I finally found a way to do it... works like a charm:
 
 http://www.rogueamoeba.com/airfoil/

[Chip Chanko]

Also good for mlb gameday audio, which is what I use it for. It's always nice to say "I wish there was software that does X" then find someone who did it well.