In Need Of Help!!!

Im having a party this friday!(march 16th) and im totaly panicking. My friends know me as a great party thrower but this year im all out of ideas! i need some games. And some mexican deco. Ideas.(my theme is mexican) i need the deco. Ideas by wed.(march 14th). One game i no were playin is truth or dare.
Thx 4 any help/ideas
P.s. Its all girls/sleepover.