The Greasemonkey script that I wrote a few months ago for Flickr is now useless, and that’s a good thing :)
The Flickr folks have baked my suggestion into the site (Stewart claims they were working on it before I came up with the idea, but if that’s true, then why did it take so long? ;) Just kidding, I know they’re very busy over there.
The implementation is pretty good. I think this really makes their browsing interface much, much better. There’s also a nice “browse” link that will jump right to the correct page in the photo stream for the photo you’re viewing.