3 Behind the Scenes and Trailers:
Pop in the issue 5 of Movie FX magazine (it's a DVD movie Magazine), once at the main menu, scroll down to "Saturday Night Live" and press your Left button - that'll highlight "Minority Report" on the top right corner. Press your Enter button for a small making of segment with Spielberg and Cruise and some behind the scenes of the movie.While in the main menu, scroll down to "Hunter/Gratzner Industries" and press your Left button - that'll highlight Spider-man on the bottom left corner. Press your Enter button for a small behind the scenes with Sam Raimi and some of the cast.
Finally, while in the main menu, scroll down to "THX" and press your Left button - that'll highlight "Attack of the Clones". Press your Enter button for another making-of clip of that movie.
This isn't really an Easter Egg, but in the trailers section, highlight "Attack of the Clones" and press your Enter button - you will see the trailer for Attack of the Clones, but if you keep watching it'll show you two more trailers of Episode II.