http://www.cracked.com/article_18896_10-mind-blowing-easter-eggs-hidden-in-famous-albums.html

Have never heard of any of these previously. I'm in the process of listening to the In Rainbows/OK Computer mix, and as pleasant as it is, the whole sync thing seems a bit rubbish sadly.

Anyone found hidden stuff in albums/songs/packaging that's blown your baws off lately?