Feature suggestion: Larger previews of attached child images

I often find myself having to choose a lead photo from the ones our photographer has attached to an asset. However, the previews are tiny when you hover your mouse over them. And even if you open the image asset, you really have to hit the "crop" button to get a larger view. And that just shows you one image at a time.

How about a special button that can open attached child images in a special "grid view" window that will let you see their previews at a larger (adjustable?) size. Bonus points if you can rearrange the children's order from that grid window.

Of course, I'd like to see this both in CMS, but especially in TCMS.