Given an Ancestry Source already tagged to a fact on my Ancestry Member Tree which has been TreeShare downloaded to a new database. Add that Ancestry Source to another fact and Accept that change. TreeShare downloads the image file again and repeats its name in parentheses. Now the media folder has the same image twice with two names and the RM Media Gallery shows them both.
Do it again. This time, it appears that the image may be downloaded again but it might not. Either way, there remains the two images in the folder, "name.jpg" and "name (name).jpg". However, the Media Gallery now shows 3. That's because the MultiMediaTable has three records for the same image. For example: