Instructions
Point your favorite web browser to the Xbox Fable II website (see Resources for link) and sign in using your Windows Live ID. Make sure that your Windows Live ID is the same one that you use for playing on Xbox LIVE.
Click on the box labeled "1," then click on the link marked "Start the Show." Due to the violent nature of the story, you will be prompted to input your date of birth.
Watch the short vignettes and make moral choices along the path of the story. Once you have completed an entire story arc, you will be rewarded with one of five items. Claim your prize by clicking on the link.
Play Fable II while logged into your Xbox LIVE profile. When you open the chest in the Guild, the item you claimed at the end of the vignettes will be inside.