Just before Rick and Lucy get into bed, she is wet and soapy, then suddenly completely dry.
When Brave Eagle ties Tuwana up, the position of her top changes between shots before he rips it off. Then, when he whips her, the whip scars disappear and reappear between shots.
After Tuwana has been prepared for the virgin dance, as she and Motula leave the teepee the shot is wide enough to show that the tent is a prop with no back to it.
During the knife fight, Tuwana's knife strikes Lucy's hand and the blade bends, revealing it is made of rubber.
Many of the Indian maidens have visible bikini tan lines.