On the top of each page, under Quilting Board - The Quilter's Message Board atr two lines of links in blue. Search is on the first line, right after the link to random topics.
On the second line, you can get to the chatroom. If you have PMs, there will be a number afier Private Messages.
If you go to the home page, most areas have a topic at the top which explains the rules for that particular spot, like how to post pictures in the pictures section.