Yeah. It's confusing. It's working on Google Chrome, but not Firefox or (gag) Internet Explorer. Odd. It worked on Firefox before my cookies got deleted.
To the right of your collection on your collection page, there's a button which allows you to choose several display options for your collection. Until recently, I always had the "show box art" button selected. However, I was logged out and when I logged back in, I noticed that the button was...
1: Grand Theft Auto: San Andreas
2: Gran Turismo 4
3: Metal Gear Solid 3
4: God of War
5: God of War II
6: Grand Theft Auto IIi
7: Grand Theft Auto: Vice City
8: Kingdom Hearts
9: Ico
10: Grand Theft Auto: Vice City Stories
11: Shadow of the Colossus
12: Black
13: Resident Evil 4
14: Destroy All...