Edit/move multiple images at the same time

I've got a lot of images in my gallery. Unfortunately, I haven't sorted them into sub-galleries. As it stands now, we can't edit and move multiple images at the same time. I have to pick them one by one, and it's taking a long time. It would be nice we could move them all at the same time.

Yeah, that'd be great. Also the ability to delete a whole bunch at the same time would be a nice addition.