Blogs at the Center for Internet and Society, where I found the Flickr tag for cloudgate: http://flickr.com/photos/search/tags:cloud+gate/tagmode:any/ The site has a good explanation of why that is a good tag to know about. The other good thing is I see how to do tagmodes! I wish Technorati and Delicious had the same system.
How would this work: http://flickr.com/photos/search/tags:black+white, cats/tagmode:all/
Later: Yes!
And here is the Bean:
