On the Short Films menu, highlight the menu entry for 'Boundin'' and then press the 'Down' directional key on your remote control. This will highlight a small Luxo lamp and if you press 'Enter' now, you will see a pencil test fro 'Luxo Jr.'
From the Main Menu go to the 'Audio Options.' Once there highlight the menu entry for 'English' and then press the 'Right' arrow key on your remote control. A small red flag will appear that gives you access to a short test clip called 'Flags & Waves' if you press the 'Enter' key.
In the 'Subtitles' menu, accessible form the Main Menu, also. On that menu screen highlight the menu entry for 'English For The Hearing Impaired.' Pres the 'Up' arrow key on your remote control and the icon of a small red beach chair will show up. Now press the 'Enter' key and you'll see a short clip called 'Beach Chair.'
All easter eggs were generously submitted by SirDonk