Cars 2: The Video Game

Easy one to unlock during any event move forward jump and hold right analog stick in right direction to do a 360 flat spin rinse and repeat 75 times as 180 degrees counts as one trick 360 counts as two tricks

Using the technique of Rowdy185 for the "Nothing But Air" and "Trick Master" will also get you this achievement really quickly and easily.

Start up the Oil Rig Arena (can be multiplayer or Hunter mission) and jump off the starting platform. You should be able to get five tricks by constantly tapping right on the right analogue stick and performing a 'flat spin'.

Once you land on the ground turn right and jump off the edge where you can perform several more flat spins before you vanish off the map and respawn back up on the high ridge starting area. Repeat and you'll very quickly rack up the tricks for this achievement.

FASTEST, EASIEST METHOD

Go to options - Enter the cheat for unlimited BOOST: 721953

Start up HUNTER level - got to AIRPORT ARENA.
Immediately in front of you is a RAMP.
BOOST up the ramp, jump (hold A), jump over the plane wing and HOLD RIGHT THUMBSTICK.
You will do a BUNCH of flat turns.

Turn around, drive up the other plane's ramp.
Rince. Repeat.

You will get this achievement SO FAST!