"Rainbow Cupcake Frosting" Could be done on rainbow cupcakes. This looks yummy as well as pretty. I'm not a big fan of sweets, and I have little to no fondness for chocolate cupcakes, but I totally want to eat that.
"Juicy Lucy" Burger Cupcakes by Tablespoon. The Juicy Lucy Burger Cupcake is everything that you would expect a faux bun studded with sesame seeds, a stylized application of various icings and colored coconut for visual tomfoolery.