Beat Classic mode the indicated number of times to unlock different cheats:
Lip Balance, Manual Balance, Rail Balance
First Person Camera
Nearly Always Ribbon
13 w. all chars
In the board and graffiti editor, if you color the bottom 1/3 with blue the middle 1/3 with green then the top 1/3 with red from the top colors. Then tap each color in the top row from left to right then press the switch colors up at the top right it will bring up a secret image.