Hatching baby brine shrimp can be a pain in the butt to do. However, there are lots of sources online that shows step by step instructions on how to hatch them. You can lists your sources here so that this thread can act as a mini-archive. Here's one of mine:

http://mikes-machine.mine.nu/EasyArtemia.htm

I found this link very helpful, I adapted the setup to suit what I had laying around at the time.
http://www.fightingfish.com.au/article.php?id=41