If you like this sort of thing, and are on a Mac, you have Quartz Composer available, which I find fun to play with and which is actually pretty powerful. http

If you like this sort of thing, and are on a Mac, you have Quartz Composer available, which I find fun to play with and which is actually pretty powerful. http://en.wikipedia.org/wiki/Quartz_Composer http://en.wikipedia.org/wiki/Quartz_Composer Among other things, you can make your own screensaver, and have access to various inputs and outputs such as the built in camera, mic, URL's, etc.