how it was done: Stilefree / Air Force One tag vid

and by the way, the statements in the video thread that stated it would be impossible to reach the side of the engine to tag it. watch the video again, he tags the inboard engine

then look at this image of the real plane :

http://www.house.gov/mariodiaz-balart/gallery/dignitaries/AirForceOne_Bushwaving.jpg