Events:

SSBM 2v2 - $20 per team ($10 per person)
SSBM 1v1 - $15 per person

Prizes: (40% of the prizes will go to the store, the rest given to the players in the following percentages)

Singles:
1st place - 70% of prize
2nd place - 20% of prize
3rd place - 10% of prize

Doubles:
1st place - 70% of prize
2nd place - 20% of prize
3rd place - 10% of prize

Rules
http://smashboards.com/showthread.php?t=106956 For rules.