I teach part-time at a private classical school. This means I get to make up a lot of art history lessons and other fun stuff. We recently tried a fund-raising project. Every child in the school from Pre-K to 12th grade made a small self-portrait. The portraits had to be in a certain size and format so I had to resort to giving them templates and pre-cut panels. All of the art was sent to a fund-raising company that is reproducing the art on mugs, calendars, cell phone covers, magnets and more for the grandparents to enjoy.
The company sent each child a page of stickers to use as proofs and I took one of each to make up a collage of everyone in the school. I used rainbow tissue paper to make up a background. Which worked out because I had made each grade group paint a background on their selfie in a co-ordinating color. I have also scanned the entire picture and made digital copies for the school to use for the yearbook or a poster. This is why I am everyone's favorite teacher!
I gave the middle-schoolers (Logic School) the option of painting over a photo. Some chose not to. Either way they came out charming.
And I gave the Rhetoric School (9th-12th grades) an extra challenge; to paint their portraits in black and white using a posterized version that I printed out from photoshop.
And my fifth grade girls made a sophisticated personal style page out of theirs.