To get a few extra points, after every trick, press R to do a revert. Not only will this make it easier to go into a manual but will also earn you a few extra points. Keep doing this in things like contests.
If you need to get to a hard-to-reach location in Career Classic Goals, start the challenge, then quit. Go to the part of the level you want to access. Pause game play and select "Retry Last Goal." You should start in the current location.
Unlock the following characters by perfomring the corresponding tasks:
CHARACTER - HOW TO UNLOCK Bam Margera - Complete all of the goals he assigns to you. Bob Burnquist - Complete all of the goals he assigns to you. Daewon Song - Complete the goal he assigns you. Dustin Dollin - Defeat him as Stevie Williams Lyn-Z Adams Hawkins - Defeat her as Nyjah Huston Mike Vallely - Complete all of the goals he assigns to you. Nyjah Huston - Defeat him as Lyn-Z Adams Hawkins Paul Rodriguez - Complete all of the goals he assigns to you. Pro Bails 2 - Finish the game with 100% completion. Rodney Mullen - Complete the goal he assigns you. Ryan Sheckler - Complete all of the goals he assigns to you. Stevie Williams - Defeat him as Dustin Dollin.
Note: This might freeze the game when played on an older PSP. Go to City Center and talk to Mike Valley. Do the challenge (even if you already completed it). Ollie through it and when you think you are at the top of your jump, wipe out and quickly pause game play. Select "Exit Challenge" and you will fly for a short amount of time.