Enter these on your cell phone at the cheat screen:
Password - Effect
619 555-4141 - All Boards
328 555-4497 - All Levels
702 555-2918 - All Suits
949 555-6799 - All Surfers
626 555-6043 - All Tricks
877 555-3825 - First Person Mode
217 555-0217 - High Jumps
212 555-1776 - Max Stats
714 555-8092 - Mega Cheat
800 555-6292 - Pastrana
213 555-5721 - Perfect Balance
888 555-4506 - Tiki God
323 555-9787 - Tony Hawk
818 555-1447 - Trippy
328 555-4497 - Unlock All Beaches
310 555-6217 - Unlock Freak