WWE SmackDown vs. Raw 2008 Cheats

Unlock HHH and HBK'sDX outfits:
Enter DXCostume69K2 as a cheat code.

Unlock Kelly Kelly alternate outfit:
Enter KellyKG12R as a cheat code.

In The Table:
When you are in the table of judges, press A to throw down the micro TVs and fight on it. Another good move to do is when you have already two specials, take a table from outside and use it in the ring. Keep pressed RB and press enduringly Y. Then your character will heat up!
(supplied by: malyg)