We decided just detecting skin wasn't good enough, and decided to use the information for where people were to modify the original image by tinkering with the Hue, Saturation and Luminance. We also added an erode and dilate function to remove some of the random noise.
For those of you who want to put a face to the names you see in the forums, that's myself, Greg McKaskle and Christy Dellas (left to right) in the sample image.
