There is no way a librarian would be able to check that for you. If you have followed these steps it should all be okay, however I am not sure if there is a caching delay as there is with a lot of the features. If you don't see a change in the next couple of days you can contact support, or post in the feedback group.
P.S. Just to confirm I am also seeing the blue cover when I do a search
P.S. Just to confirm I am also seeing the blue cover when I do a search