I can see where Ning would have some benefits to educators, especially since everyone involved with the site have the same interests. I found two links that I actually added to my Favorites page so that I can follow up with them later in my own school library. Here they are for you to view too:
Cute PowerPoint about keeping the library neat and orderly. I also like the idea of kindergartners snuggling with a library friend while reading their books. I have about 30-40 Beanie Babies that someone donated to the library before I came on board. Right now that just occupy space behind a cabinet door. Not for long now!
The following is a TeacherTube video that a librarian created, with her daughters' assistance, on how to take care of library books. It's what we talk about with kinder at the beginning of school; this gives another reinforcement to that lesson.