Just a couple of useful photography links:
DIY Photography
Good Photography mods website
http://www.diyphotography.net/
Lighting Mods
Very interesting blog with lots of useful stuff, check out the DIY articles on the articles menu, lots of goodness there.
http://lightingmods.blogspot.com
Adobe Lightroom Blog
If you dont use Lightroom yet then get it, for those who have it very useful site!
http://lightroom-blog.com/
If there are other suggested links from other people could we make this sticky? Just an idea?