When Kelly comes out of the gas station, her right arm is at a right angle. In the next shot, it hangs straight down.
Moe snips Lena's bikini top between the cups, then pulls it off. This should have been impossible as it was tied behind her back and neck, meaning he would have had to wrestle it around one or both of her arms first, or else untied it.
When Hanks stops at the bikini car wash, his car is parallel to the road. In the next shot, before he leaves, his car is perpendicular to the road.
Although she gave the ring to Blake, Lina is still wearing it in several scenes after she gave it for safekeeping. She even says she still needs to get her ring back.
Pierre wants to pay for his gas and is obviously planning to return to his broken down car. Why would he leave the money under his jerrycan to prevent from being blown off the counter. He will need to take the jerrycan away moments later.
Jenna and Sam go into a private area to change even though they are wearing bikinis under their clothes.
While Tommy is looking for supplies in the garage, a pebble hits his back, yet he doesn't flinch.