Have you ever wanted your own Appa plush, but you weren't sure where to get one? Did you remember hearing about the new art book, but couldn't find the original post?
Everyone is invited to support_avatar.livejournal.com, a new community with a specific focus to promote the series. The show may be over, but its legacy will continue. Whenever a new official item or event is announced, they'll have a post about it and keep an updated, organized archive for your convenience!