I did this just now after reading and posting in the Dan Patlanksy thread, and tried to attempt some "blues":
http://dl.dropbox.com/u/29399799/Blooz%20Brooz.mp3
[edit by moderator]
The track is a drumloop, a riff on one side, a picking thing on the other and some stupid improv "blues" in between, guitar was straight into the soundcard via jack to rca cable.