If you want to get information about a particular flickr user, flickrInspector is an excellent tool. flickrInspector provides all the information about a flickr user thats publicly available including photos, favorite, tags, score an most interesting photos all on one concise, well designed page. Check it out!
flickrInspector is a non-commercial website, that displays publicly available data about single flickr users. flickr itself is probably the most amazing photo sharing site. this is by no means an official tool by the makers of flickr (or yahoo), it's just what i, nils k. windisch aka netomer programmed in my free time to enhance user experience.