This past week we worked with Van Gough's Starry Night and two activities we could use for upper elementary students. the top picture(which is side ways) is a finger painting using Van Gough type strokes while applying the paint to the paper. the idea was we needed a foreground, middle ground, and back ground in the painting. the tree is the foreground, grassy hills are middle, then the sunset turning to the night sky is the back ground.
the second project below it is much of the same thing except for we used tissue paper for a little bit of translucency. Then constructed some foreground by laying another cut out shape over it and then made it come alive with some pastels. Once we were finished constructing we glossed the whole thing to give it a nice shiny finished look.
With older kids I would consider making life size outlines of them selves and have them tissue paper what they would want on their out line.