When I saw the superb pictures coming from the Mars rover, I wrote this simple Stereo Panoramic Viewer, that you might find useful : StereoPanorama It enables viewers to stereoscopically pan around and zoom into stereo panoramic pictures such as from the Mars rovers, or those from the earlier Mars Pathfinder, without needing special viewing hardware.
Pan left/right/up/down, zoom in/out, set brightness and contrast ...
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cheers, Beau Webber