540502 oscommerce addons and fixes

website is [login to view URL] 1. I am getting an error if I try checking out via the "checkout" button. I need that corrected please. (I have added a "test" prodcuct under categories/products so you can see the issue for yourself) 2. Allow checkout without being a registered customer. 3. Facebook share link is not updating the image for the product being shared. 4. Dynamenu addon: [login to view URL] 5. Sorting feature on the front page that will make searching for products easier. I want multiple checkboxes to search by manufacturer, shoe size, price or price range, etc... (ie: Air jordan [x] Air Jordan III [x] Size 10.5 [x] price range [$100-$200]) and the output will be a list of products in the "Air Jordan > Air Jordan III > size(s) 10.5 > price range $100-$200. I am not sure, but I believe there might already be an addon for this. This website is an example of how I want it to look and operate: [login to view URL]