It would be great if you integrated flock with Flixter and weRead. weRead is a community where people share the books they read, reviews about them, what book they are reading now and what books they want to read. Flixter is a community where people share what movies they watched etc, it's like weRead but with movies instead. Both of those communities have applications on Facebook. I thinking that the integration could include that you could see what your friends are reading, and/or watched in the sidebar and that it could be easy to post what you are reading/what you watched, in the sidebar.

the sites are here:
www.flixster.com
weread.com