Go to the V shape Pillars on 'The factory' and try to stop the board in the middle of the jump (land on the 'v'! look up and you will see loads of eggs that spell out bullshit! if you carry on looking for 2 minuts, they will start to move.
Various Tips
Remember to switch facing by sliding a finger above the top of the board.
Don't forget to thrown in nollie, switch, and fakie versions of the tricks.
Some ramps automatically trap you into ramp tricks. There are huge points to score here.