I love this idea, and it's so simple. I don't know why it never occurred to me. Sarah Jane Studios tell what to do with all those masterpieces your kidlets create. Cut them up Eric Carle style. She even gives you some free templates if you need them. The little 3 year old in my house loves to paint. He will spend hours at it. He painted a whole paper with different shades of blues and green. In fact, he used up the whole pot of blue in about 2 days. It was so lovely, but I didn't know what to do with it. I hope I saved it, 'cause this would be a perfect use of it. Link found through The Crafty Crow.