Continuity mistake: The brothers in the movie are at the drive through and when you see the truck, the tailgate has a Chevrolet logo on it. When they drive away, you then see that the logo has changed to a GMC logo.
Continuity mistake: When Sally and Dorian are checking out his helicopter and they kiss, the position that they are kissing changes depending on the camera angle. First Dorian is shown with his head leaning to the right, then it's to the left, then back to the right.
Continuity mistake: When Angus and Dorian are lying in their bunk beds talking, Dorian alternately has a toy helicopter or a beer in his hand between shots.