I started with a mountain in bryce with a fractal as the image as the material and with soft on the transparent/reflections, then altered it in bryce with a different angle and motions, then took those two images where with the first one I flipped upside down, then I pasted that as new into the other image as a layer and blending them at 100 percent for there values of hue then took that image and flipped it left to right and blended that to itself un-flipped in a grain-extract mode of blending ... as for the thumb it is a square selection to the left of center of the final image... thanks so much for your comments and I am thinking of entering the bryce competition so there might be more interesting imagery on the horizon to see.