To use the Flickr CC Attribution Helper drag the bookmarklet to your browser's bookmarks bar. Then whenever you're viewing an image on Flickr you can click the bookmarklet to get a pop-up window (make sure your browser allows pop-ups) containing the properly formatting attribution information.
SOURCE :
http://www.freetech4teachers.com/2014/04/a-handy-new-tool-for-giving-proper.html