add this one to your list of things to read on a rainy day.

http://www.e-f-w.com/community/modules.php?name=News&file=article&sid=33

this is just awesome. i saw it once on a custom car... and was looking for it for awhile.
would be nice to make LED stuff for project R/C cars, headlights, etc.

Why buy when you can make your own. LOTSA of good info on this site.