I have always liked light panting and light graffiti. But there are things that I don’t like about it, it takes along time, its process incentive, you can do it live. After searching around the internet I found this video
The application does not look that difficult to build either. A frame buffer with blending between each frame and a few other special effects. I have been looking for a reason to try out Processing.org and with Super happy hacker house 10 (SHHH10) Binary beers night it gave me the perfect opportunity to build it.
After about 2 hours with never touching processing before I end up with this;
Not exactly what I was looking for but interesting. You can download the source code here. lightest2
Its a work in progress.