
Check out Processing.org, a site for the software of the same name. A programming environment that allows you to create web-based graphic engines. Some pretty cool animations can be found there. Check out, for instance, "Dreamlines" by Leonardo Solaas. With his program, you enter an initial word and are treated to a drawing the evolves in the most engrossing (engro55ing? The site and program used to be referenced by the 1337 designation, "proce55ing" if I remember correctly.
In any event, a sweet ride.