When the group is trying to escape the camp in Axmann's Jeep, it takes a bullet hole in the windshield. Then, in the next shot from the front, the windshield is intact again. It remains that way until they reach the fort, where more gunfire puts holes in it.
At the oasis, when Bud says "There's plenty of fish in there, boy!", he goes to sit on the big rock to take out his boot lace. But in the very next shot he already has his lace out with a piece of bread on it.