Can you paste the exact description you were using on the single image upload form? That will help us track down the issue. That is a good workaround you found for now though.
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.