Club Penguin igloos upgrades February 2012 cheats

 A new igloo upgrades catalog has been released on Club Penguin. There are no new cheats in the newest igloo upgrades, though there is a brand new igloo, the shipwreck, themed for the newest Club Penguin party Rockhopper's quest. Here's Club Penguin's latest igloos upgrade catalog:

 To find the shadowy keep click on the two dragon heads closest to the middle of the castle: 

 This month's igloo upgrade is very cool! Which igloo in the igloo upgrades catalog was your favorite on Club Penguin?