Fun Pirate Fact 1: The tattered skeleton's clothes were made by throwing them in a big cement mixer with a bunch of bricks and flipping the on switch.
Fun Pirate Fact 2: The white stick thing in Jack Sparrow's hair is actually a reindeer bone. Unlike most of the guns and props in the movie, his pistol is not a replica. It is part of a pair made by an English chap in the 1700s.
(photos collected from googleimages)