[Quartermaine's hairpiece has been sucked up in the bunvac.]
Lord Victor Quartermaine: I want...toupee.
Wallace: Oh, yes, of course. We take cheques or cash.
Lord Victor Quartermaine: No, you idiot. My hair is in there.
Wallace: Oh, no, only rabbits in there. I think you'll find the hare is a much larger creature.
When the Were-Rabbit jumps through the stained glass, the right ear is pointing to both dragon wings. But when the Reverend is telling his tale, the glass break is is pushed way over and the hand print is now where the ear print should be.
In the scene where Wallace fetches the giant rabbit after it has come off the van, Gromit turns on the radio, and we hear a song called "Bright Eyes" from the film 'Watership Down' a film about rabbits.