A hidden face often has distinguishable eyes, nose, and mouth. Scan for any unusual symmetry in the rocks, tree bark, or shadows. The hidden man might be formed through light and dark areas.
Photoshop CS 6 Extended tutorial showing how to transform & camouflage someone's face onto the gnarly bark of a century-old, tree trunk. Get 15% off BORIS FX OPTICS! - The BEST special effects ...