There is nothing wrong with #1, 2, and 4. #1 and 2 are perspective changes. The picture is on the other side of the pencil cup, and he flips the menu over in the second one. The third is not an eye color change so much as a light change, that ANY real artist would recognize (black and white vs. gold and blue)
When the dentist goes into the fish tank to get Nemo with a plastic bag, first we see a zip-lock bag. However, when he places the bag on the table it changes into a regular one.
There is nothing wrong with #1, 2, and 4. #1 and 2 are perspective changes. The picture is on the other side of the pencil cup, and he flips the menu over in the second one. The third is not an eye color change so much as a light change, that ANY real artist would recognize (black and white vs. gold and blue)