Pirates of the Caribbean (Dead Man's Chest) - Footprints in Teh Sand
Towards the end of the movie when the three guys (jack, commadore and Will) are fighting over the chest and Elizabeth is yelling at them. The two other guys from the first movied run up to see them. The one guys with the fake eyeball is already there and behind him you can see the other one with long hair running towards him. BUT there is already footprints leading up to where he should already be standing.