MF - you have to have a minimum amount of posts to create a thread there. It keeps the spammers from trying to sell us viagra since that subforum is their most likely target. Keep posting responsibly, and it will happen very quickly.
Shell - you have had the ability to post pictures for quite a while now. I'm guessing that you're doing something wrong, but without knowing what error message you're getting, I don't know what exactly that is. However, GenuineGirly has written a great tutorial on it:
http://www.tfproject.org/tfp/tilted-...cture-tfp.html
And remember that the Testing Board is your friend.