A nice return to a style that we haven't seen in a while. You should have used FRAMESETs.
One quick suggestion: change
Show Title and Description to
Show Title and Comment. Every jAlbum user in the world knows about these two variables - let's not start using different words for them!
I would also add a checkbox to that one,
Use file name if no title, active only if the primary checkbox is chosen. I've got a whole set of test image files that are purposely named things like
1897 Daimler.jpg, to make life simpler.