When Al hits and yells at Johnny for pulling a gun and dragging Wu into the gem, Al's hair changes back and forth between slicked back tight to his head and wavy, hanging over his left eye.
When E.B. falls backwards off of the stump while talking to Mr. Hearst, his boots have modern rubber soles with a tread pattern on them.
After Johnny drags Wu into the Gem, and they are all in Al's office, you can see when Adam's legs are crossed, that his boots have modern rubber tread on the soles.