When you first log in to the admin, there should be a button to add galleries on the top right of that page. Please post a screenshot of what the page looks like after you log in. What browser are you using?
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.