Other mistake: When Wallace is eating the celery, you can see that the bottom of his throat looks really weird, as if the model wasn't complete.
Other mistake: When the rabbits are being sucked up at the start, there is light in the tunnel. This is not possible since the tunnel is underground and the pipe has got bends in it. No light should get through.
Other mistake: When Gromit is dancing and making the puppet dance, the arms of the puppet bend but they shouldn't since there is no wire connecting them.
Chosen answer: Yes, there are some hints that Victor painted the road closed sign and cut down the fallen tree that traps Wallace and Gromit in the forest - there is a pot of white paint behind the sign, and Gromit sees the tree has been chopped down and Victor has an axe.
Sierra1 ★