These are stereo conversions from regular flat images.
The original left eye image was changed to create the new image for your
right eye. They can be viewed as either cross-eyed, parallel, or anaglyphic.
My choice is the cross-eyed method. The easiest is the anaglyphic, with a pair of red/cyan glasses.
(Minimum screen size: 1024x768) Parallel Version Anaglyph Versions