I'd like the ability to choose default Slideshow music on its own page. I have a lot of gallery types, and I'd love to be able to have a Default slideshow music setting. That way, when I want to change my default slideshow music I don't have to go into every single gallery type to make my changes.
Also, the current way is a little buggy. When I go in to a gallery type and check the box to Enable/Disable each setting, each click drops me to the bottom of the preferences screen and I have to scroll all the way back to the music section. :-)