From the first page of Disc 2's menus, highlight [Creating the Kraken] then press [Left], [Up], and [Up] again to highlight a patch of grass for an Easter egg on the Siamese twin pirates in Davy Jones' crew.
Also on the first menu of Disc 2, highlight [According to Plan] and press [Left] twice to highlight a leaf. Press [Enter] for an easter egg catering for the massive Pirates production.
On the second page of Disc 2's menu, highlight [Fly on the Set: The Bone Cage], then press [Left], [Down] and [Left] to highlight a leaf. Press [Enter] to view a brief piece on the crew's painters.
On the second page of Disc 2, highlight [Jerry Bruckheimer: A Producer's Photo Diary] and press [Left] three times to highlight grass; press [Enter] for a short discussion of "The Coconut Man."