Have you tried the new beta Gallery 2 in Notebook 11? It is included in a new tab that is found beneath the Add Ons tab. At first it was hard to make the transition from the original Gallery but now I really appreciate it.
There is a filtering process, that allows you to select the kinds of items you are searching for; images, manipulatives, sounds, videos etc.
Under the configuration tab, there are quick links and you can send SMART your suggestions for items that you want to see in the gallery.
Try it out. After a while you won’t go back to the original gallery!