Easy "Explorer" trophy...
	Various Trophies...

The golden skateboards are found by jumping over the ending crowd in the following levels:

Base Pro 4
Junkyard 5 (Amateur)
Port Pro 5
Neon City 4 (Amateur)
Urban 5 (Amateur)

Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Combododragon (Bronze)	Land a Combo of x25 or more.
Dizzy (Bronze)	Land a 540 degrees Spin.
Explorer (Bronze)	Find the 5 Hidden Golden Skateboards.
Half Way There (Bronze)	Unlock all Amateur Challenges.
Hit the Spot (Silver)	Get a Score of 2M on a Spot.
Land Lover (Bronze)	Achieve a total of 1000 Perfect Landings.
Locked On (Bronze)	Achieve a total of 1000 Perfect Grinds.
Make your Mark (Bronze)	Set a Score on 25 different Spots.
Professionalism (Silver)	Unlock all Pro Challenges.
So Many Points (Silver)	Land a 2M Point Combo in Career.
Technical Master (Bronze)	Land 1 of every Trick.
Totally Radical (Gold)	Beat all Levels on Rad Mode.