Zombie Great White Shark
Have your avatar enter the "undead sea" and swim with a zombie great white shark!
Copy and paste this link into an e-mail or instant message:
http://marketplace.xbox.com/EN-US/Product/Zombie-Great-White-Shark/00001000-9844-7263-c380-50a05858089a?cid=SLink
Sign-in to see this on your avatar.