In the style of Romero Britto, a Brazilian-American artist who combines cubism/pop art/graffiti.(This link no longer takes you to the original site.) A major part of this project is carefully planning the design.
Your designs can spark a whole range of emotions in people. Color theory unlocks the secrets of how to use hues to inspire joy, sadness, and even hunger. -- or, you know, make art or not to have clashing colors.