I am having the same trouble but the folders have been uploaded. It doesn't work locally either and I have double checked that the images are there.
Just the pins/flags just don't show up. Other than that it works perfectly for what we need.
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.