I can't remember which set, or any of the names, and wondered if you might have some pointers where I could look.
What I'm looking for in particular was a set of cool tiling backgrounds (probably in 256 VGA). They were called "metalic" or "space" something, and looked like someone generated "fractal bands" or "rings of saturn" looking transparent colors on top of each other. For example, a black background, red bands horizontally, and blue bands vertically. Sort of like this shutterstock sample, but (smaller!) and with differing colors, transparency, and patterns:
