For the following cheats, highlight the options at the main menu, but don't select it!

All Secrets:
hold L2+Right, then press Tri, Tri, cir, Tri

All Characters:
Hold R1+Left, then press tri, tri, cir, tri

All Levels:
Hold L1+Right, press Tri, tri, cir, tri

All boards:
Hold R2+left, press Tri, Tri, cir, Tri

All Movies:
Hold L1+left, press tri, tri, cir, tri

All Cheats:
Hole R2+Right, press Tri, Tri, Cir, Tri

Max Stats:
Hold R1+Right, tri, tri, cir, tri

In my cheat that I submitted above, I forgot to say that you have to highlight the options at the main menu and enter the above. (By above I mean the cheats I gave that are in the post above this one)

The cheats submitted by shiney Mcshine were incorrect. So I am presenting you with the correct cheats.

All Cheats:
Hold right+L2 and press tri tri cir tri.

Secret Boarders:
Hold left+L1 and press tri tri cir tri.

All Levels:
Hold right+R1 and press tri tri cir tri.

All Boards:
Hold left+L2 and press tri tri cir tri.

All Movies:
Hold left+R1 and press tri tri cir tri.

Max All Stats:
Hold right+L1 and press tri tri cir tri.


Hope these cheats help you a lot.