Great title

Please see: http://www.pxleyes.com/forum/viewtopic.php?f=5&t=5644&p=61826#p61826 about using Google for images.
Once you find a useable image the link has to lead to the specific image used.

About source 3: Sources from blogs are not licensed for use under Creative Commons. Please see: http://www.pxleyes.com/blog/2009/06/how-and-where-to-find-legal-source-images/ and http://www.pxleyes.com/guidelines/photoshop/

The correct link for source 3 should be https://www.flickr.com/photos/calliope/939889442, please correct that

Take some time to read our guide at http://www.pxleyes.com/courses/pxleyes-guide/ it will help you a lot