I posted a archive of a few files that were produced using ART (Abe's Ray
Tracer) by Abe Megahed. ART has a alpha version ported to the NeXT and these
pictures look great in 4-bit, 16-bit, and 32 bit. The files are called
ARTPICS.tar.Z and ARTPICS.README.wn. Take a look and enjoy!