they even admit to faking their own images...
here is one... on their official site, they state "false color".....lolhttp://marsrovers.jpl.nasa.gov/gallery/press/spirit/20100603a.html
This image is presented in false color, which makes some differences between materials easier to see. The scale bar indicates that the main Comanche outcrop is about 5 meters (16 feet) across from this perspective.
Image Credit: NASA/JPL-Caltech/Cornell University
That should keep the most hardened sceptic off their backs, right? Ö.lol