http://www.youtube.com/watch?v=8JVHWJ0mfMo

make your own spirograph!
http://www.openprocessing.org/visuals/?visualID=4154

this is kinda trippy, change the fade to 1 and the speed up to max then change colors for your own light show
http://isotope3.net/#/0.01:64,-0.2:79,0.4:37,0:30/p:1,s:1,z:89,f:1,c:570c,b:ffffff/