Moviemaking Communities

I'm looking for websites similar to for example DeviantArt, but then especially for moviemaking (can be any type of movie). Websites with tutorials would be really welcome, especially for After Effects.

These I have so far:

http://www.creativecow.net/articles/aftereffects.html
http://www.videocopilot.net/
http://maltaannon.com/
http://www.shaolinproductions.org/
http://www.pixel2life.com/
http://www.ultravioletproductions.co.uk/