OK, folks asked for it. You can use GIT and friends to pull my current raytracer source. In the last few days, Jules Kongslie found and fixed the stupid bugs I introduced recently, as well as the one from long ago, so it works now. I've GPLed it. Enjoy.
With that, I'm headed over the mountain for a day or two for a Massey family reunion. Talk to y'all when I return. (B)
Update 2007-12-09: Moved the project to BartForge and changed the link to point there.