Roscoe opens the closet door fully "wide" (halfway from closed to swiveled around flat against the wall beside it) to see what Flash was excited about, yet when the convict is seen emerging from the closet, he pushes open the door again from only about a foot of opening-width.
Boss Hogg implies that his hitting the haystack knocked out his car's engine, so he would not have been able to pull the car back out of the stack a few feet the way he does prior to discovering the covertly-necking farm-kids hidden inside the hay.
When Luke is changing the tire on the General he turns the wheel wrench to the left. This wouldn't have tightened the lug nuts on the wheel as you need to turn the lug nuts to the right in order to tighten them.