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.
I wanted to pin this photo to see a professional set up for using lighting gels. Here there is technology used including a stand with the lighting gel over the light which is being bounced onto a stand with lines in to created shadow on the model.
Using only one strobe for colored rim light, vivid and rich color. You need to pump up the strobe power and use a dense color gel, or fold your colored cellophane a few times to get nicer and richer color.