Ray the site and slideshow are responsive yet, I don't know why the slideshow is small in this case, suppose the problem is the CSS that contains the slideshow..
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.