An Interesting Bit of Movie Trivia

For the uninitiated , the Wilhelm scream is a sound clip that originated in the 1950's and has since been popularized by its use in Lucas/Spielberg movies. These days it's use is somewhat of an in-joke for the movie industry. Here's a video highlighting its appearances, including such gems as the Star wars Holiday Special and Howard the Duck (although I don't remember that scene from the movie):