I found a relly interesting program:
wmiller.topcities.com/program_eng.html (Stereomorpher)
If I'll eventually be able to use it (it's quite difficult...), it could bring to astonishing results, using Mars images!
Look at this image, obtained from a "classic" stereo pair:
Lots of other anaglyph creators are listed here:
w1.312.telia.com/~u31218833/html/docs/012_Download_Edit.html (Anaglyph makers listing)
Luca