Some of these pictures and descriptions may give away plot details that you might not want to know before watching the film.
This is one of those films that is so terrible it is best appreciated by watching the Mystery Science Theater 2000 version, which you can do on YouTube.
In the snake scene, we see a Boa Constrictor crawl over a fake rock and leap at a terrified woman. Before it can kill her, a guy with a metal crossbow shoots it, pinning its head to a tree.