Self portrait ideas Mapping 2013 on Behance Use a process like this for "identity/self-concept" activity about skin color/shade/tone/palette. Put vertical photo strip of every child together on a couple images to make a collective face.
photojojo: “Here’s a gorgeous blend of photography and painting. Timothy Pakron selectively exposes images of people’s faces by painting developer onto paper in a darkroom. Painting a Portrait with Photo Developer ”