Shrink large images

This is sort of in response to Sarah's entry earlier, but it's not exactly what she needs, and it's also something I've been wanting, both for LJ and other sites. It's a bookmarklet (and a user script for Greasemonkey) that'll zoom out all large images (anything over 480px wide). Modified real quickly from the "zoom image out" bookmarklet here (which is good but it zooms everything out, which isn't really what I want).

You can get it here (I can't post it on the entry directly since LJ strips out Javascript).

<runs off to do actual work>