I attended the Code + Art Conference Eyeo in Minneapolis this summer. Every author of every cool vimeo video I have ever seen on data viz, computer vision, or code art was there, standing around waiting to talk with me. Here are a few links.
OpenFrameWorks
I had used it before, but I really got a great sense of how to do computer vision with it.
HipHop WordCount
The Hip-Hop Word Count (HHWC) is a searchable ethnographic database built from the lyrics of over 40,000 Hip-Hop songs from 1979 to present day.