Re:Several Suggestions (Score 2, Informative)

Flickr:
http://flickr.com/photos/tags/processing/
http://flickr.com/photos/tags/generative/

Individuals:
http://flickr.com/photos/joshuadavis/ || joshuadavis.com
http://flickr.com/photos/flight404/ || flight404.com

Many others to be found here:
maxalot.com
http://www.maxalot.com/xpsf/xpsif_all.shtml
http://www.bridgesmathart.org/art-exhibits/jmm08/index.html

References:
Art in the Digital Age