One movie which I still find quite funny (it is not very positive for the Greek image though) is "Revenge of the Nerds".

On another note, someone had mentioned positive women-bonding movies like "A League of Their Own". I saw a documentary called "The Bunny Years" which was all about the Playboy Bunnies. Note: The Playboy Bunnies were the waitresses in the Playboy NightClubs, not to be confused with the "Playmates" who posed nude in the magazines. Anyhow, it was quite an interesting documentary about how the girls made lots of money to put themselves through college and that they were quite protected in the club. They were not allowed to socialize with the patrons, and the patrons were not allowed allowed to touch them. Any
patron who did not comply was then ejected from the bar. It was an interesting documentary.