I found this software for making 3D Anaglyph images, You will need 3D Glasses (like the ones from Spykids 3D) to view the images, one is a lil big (500KB) but if you have cable/dsl it should download quick enough.
Pz.
http://www.prizegotti.co.uk/pac3d.jpg
Pz.
http://www.prizegotti.co.uk/pac3d.jpg