Simpsons Road Rage Easter Egg - All the Good Cheats

In the options screen; hold down the L1 and R1 buttons while entering the code for the cheat.
Here is the "Key" (so I dont have to type triangle 20 times)
T=triangle
C=circle
S=square
X=self explanatory

The cheat codes are:
TTSC - Will give a small little toy like car
TTSS - will give you the Mr Burns limo
TTSX - will give you a bus
XXXX - will let you play in night mode
XCTS - will let you play in slow motion
TTCC - will give you the Thanksgiving car
TTCX - will give you the Halloween car
TTCT - will give you the Christmas car
TTCS - will give you the New Years car
TTXX - will give you the physics of the game
CCCC - will make the characters look like flat boards

these cheats rock!