As Aunt Dolly, Miley, and Lily go to get the tape, you see the school lights are off, but then you see them on in the next scene.
When Oliver leaves the house with the camera, Miley only wear a tee-shirt, but when she gets to school to get back her tape, she has a waistcoat on.
In the scene when Hannah and Dolly were trying to get back the tape from Jake, At first the tapes are put into four piles, two big ones and two small ones. But after Dolly dumps food on Miley, there are only the two big piles left on the desk and the right one has one tape more than the left. Then, when Dolly pretends to just realized that she was talking to Jake Ryan to distract him, there are only two tapes left on the desk. Finally, when Miley goes to grab the tapes, there are once again two piles, but the left one now has one more tape than the right. Also, each time the tapes are stacked in a different order.