The most popular cake designs for a Super Mario party include: tiered fondant cakes, a cake using a specialty cake pan, cupcake cakes, cookie cakes, cupcake towers, yellow star cake, 1up mushroom cake, mushroom cake & cupcakes, party cakes featuring Super Mario figures and a Princess Peach cake.
Other great cakes:
American Cake Art
Russian Cake Art
Weird and Creepy Cakes
iPhone Wedding Cake
Delicious Brain Cupcakes
Worst Birthday Cakes Ever
Christmas Cakes
Zombie Cake
Geeky Cakes
50 Awesome Super Mario Cakes