The Cunctator wrote:
Okay, so what's the right tag?
Strictly speaking, you'd have to ask the owner of the photo. Given the specifics of that crowd, it wouldn't surprise me if they were planning to make money selling it. :-) In practice, it's probably a "fairusein", enumerating the articles for which you plan to use it. Lack of the actual photographer's name is going to be a problem - without that, no guarantee I wouldn't hit it with a "no source" tag should I run across it in future.
Stan