Before you came to this site, you were sent an email notifying you of your addition to this site. Within that email, you were given a username and a password, as well as a password to gain initial access to the site.

On the left hand site of this site, you will see a heading titled, Main Menu, and under it a few options: Home, Send Nick an Email, View All Posts, Editor Login, and Visitor Logout. You will click on Editor Login. After you click on this button you will be transferred to a page that has these two boxes in the center:

Put in your Email Address and Password, and then click Login.

From here you will have access to the site as a contributor.