This is kind of a really delayed reply, but in case you still need it:
Bracciale this is the company that makes all the official charms. (Just type the company name and add a . com...I can't post urls yet) You cannot buy through this site, but its the official listing.
On a related note, does anyone know how often new Disney charms come out. I like the Cinderella/Prince Charming double charm where they are facing each other. But I'm a Belle girl myself and I was hoping they'd come out with a Belle/Beast one. I think the Beauty and the Beast collection is pretty lacking, considering that it is one of the popular movies.