I came across this and thought it was cool that it's all done in MS paint.
http://braingoop.tumblr.com/ (http://braingoop.tumblr.com/)
(http://s3.amazonaws.com/data.tumblr.com/tumblr_lsx3arDlWz1r4wczvo1_1280.png?AWSAccessKeyId=AKIAI6WLSGT7Y3ET7ADQ&Expires=1333918462&Signature=bVP17llPDHJIrehPjmpdsgou6wY%3D)