How about: http://farm1.static.flickr.com/156/425731394_41727f12fa_z.jpg via this answer.
It is Creative Commons licensed, and conveniently the copyright holder is apparently a user of the site...
How about: http://farm1.static.flickr.com/156/425731394_41727f12fa_z.jpg via this answer.
It is Creative Commons licensed, and conveniently the copyright holder is apparently a user of the site...