To jump higher hit turbo and jump at the same time.

If you press triangle you will put a spin move on your opponent and press and 
hold square down to shoot and spectacular shot.

To do a double pump:
When you are in the air for a dunk press the action and he will do an amazing 
double pump that cannot be blocked.

To throw an alley-OOP, press the pass and shoot buttons at the same time. 
NOTE: The person catching the alley-oop must be in the paint, or a normal 
lob pass will be thrown.