If you log into the admin and go to the contents area, then click on the Home Page menu option on the left, then you should be able to click the "Add Content" button to add another content area. I've attached a screen shot.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.