The source for my GL examples are here: gltalk.tgz (1.1MB)
They might need some -lGL -lfltk massaging to work.
This is the tarball I was using during the talk, only I stripped all of the
"#include <glui.h>", since I realized I wasn't using
glui :)
It's even got the pixmaps in there :)
-Gabe