Lost Easter Egg - Lock Eats an Orange - and Smiles

On disc 7 ... Select "Tales from the Island."
Go to "Main Menu" and hit the right arrow button.\
A small dot will show up to the right of the hatch opening. Select OK (or the equivalent).

You get to see 'eggstra' special footage of John Locke (Terry O'Quinn) eating his orange and smiling ... twice!