Trivia: When the girls arrive at the beach at the beginning of the movie, they observe somebody who's getting worked by a HUGE wave. As he gets out of the water, they comment on him "he hit the reef" - "that's gotta hurt". This was not fake: The guy who did this REALLY got hurt that way and almost lost his eyeball.
Trivia: On the cover of the DVD, Anne Marie has bright blue eyes (digitally altered). Throughout the film, it is obvious her left eye is brown and her right is blue.
Answer: I've been told it's to keep the marijuana moist. The moisture from the orange peel keeps the stuff fresh so that it burns longer. The same happens with an apple peel.
Joe Matallanes