XBLM - Download the Fable 2 Pub Games and complete tournaments and unlock achievements to win in game items for Fable 2.
Fable 2 Website (Xbox) - Play through the interactive narrative three different ways to unlock more items in Fable 2 (The final 'choice' decides which items you get for that play through).
Also on offer: chicken kicking. Although not as fun as the fable 1 variation, the flash version will net you 1000 Gold for every successful play through, up to some undetermined maximum.
Fable 2 Website (Lionhead) - Offers free wall papers for your computer, and a limited time promotional offer of 6 free songs from the official Fable 1/2 soundtrack.