I have seen many sites that are allowing for drag-and-drop uploading.
The good news is that you can even preserve meta-data about the files during
this process too. ;)
I think I have seen previous implementations using WebDAV stuff:
Extensions to this methodology of uploading could allow for automatic
categoization and licensing.
(i.e. you drag it into the public-domain folder which would categorize the image
as a public domain automatically)
This is a massive overhaul of the upload backend and might be something for