dpreview.com is a good site that has forums dedicated to every type of camera, photography-on-the-net is good too but geared towards canon users.
digitalrev has a lot of good youtube videos going over different types of gear, some fun/interesting techniques, etc. the older videos are a little more informative, the newer stuff is kinda
. as mentioned above, jared polin (froknowsphoto) has some good videos too, geared towards nikon.
lynda.com is another really good site for learning about the fundamentals. it's a membership site but they might have free trials..idk but i use it all the time.
this thread can also be really helpful, but you've gotta ask questions to get answers. don't be afraid to get a little constructive criticism too.
sidenote, what ever happened to that NT flickr group? are the themes still going on?