When Judy gets into the truck, the window is up, but when she's driving away and the scarecrow jumps on the back of the truck the second time, the window is down so he can reach in after her.
After the Scarecrow kills his mother's new boyfriend, the boyfriend is left lying on his back, except for one shot when he lays on his front.
When Stephanie's boyfriend gets his heart ripped out, his shirt is buttoned up. When the Scarecrow throws him on the ground, his shirt is unbuttoned and he is wearing a white t-shirt that wasn't visible before.
When the police are entering Farmer Hailey's house, you can see the red cap on the end of one of the officer's guns.
After the scarecrow kills the teacher, when he throws his head back and laughs, you can see under the mask the actor is wearing and get a peek at the actor's face.
When Stephanie walks away from her boyfriend's corpse after his heart is ripped out, he draws a quick breath.
At the party, the drummer's movements do not always match the music heard.
In a scene driving down a street early in the film, the camera and the van it's housed in are shown reflected in windows as they drive by some buildings.