When Rose first discovers the window, it is shut. It then cuts to a very brief shot of Dorothy then to a wider view of the room and the window is wide open.
When the various pieces of luggage are thrown into the girls' room, the suitcases move, disappear, and reappear between shots.
When around the campfire as the girls are revealing secrets Blanche makes a comment about Dorothy having her nose done. Dorothy responds that she never had her nose done and reveals that Rose was actually the one who had her nose done. Later in the series however when Blanche considers plastic surgery Rose states she finds plastic surgery to be unnatural, implying she had never had any work done herself.
When the girls are sitting around the campfire, the amount of burned wood changes from shot to shot. First it's partially scorched, then mostly scorched then partially scorched again.
The fire made from the wood of the shipwreck is clearly gas-fueled.
When the girls are on the beach telling off the men, The sand underneath them is obviously padding as no footprints are visible, and every time they move the supposed sand sinks and then rises after someone moves.