"According to GameSpy, special films and paint were used to plaster Raynor's image and the Starcraft II logo on the side of a Boeing 747-400 and a Boeing 737-900. In addition, four Korean Air limousine buses will also sport new, StarCraft II design"
lol special paint is always used to paint the side of planes, the paint is also wieghed and corrected to make sure it does NOT aid in corrosion and shit loads of other things!