This is the attribution for my logo.
<div xmlns:cc="http://creativecommons.org/ns#" about="http://www.flickr.com/photos/57731260@N00/3295104359/"><a rel="cc:attributionURL" href="http://www.flickr.com/photos/57731260@N00/">http://www.flickr.com/photos/57731260@N00/</a> / <a rel="license" href="http://creativecommons.org/licenses/by/2.0/">CC BY 2.0</a></div>