Cornell University in the US has some excellent resources for checking the quality of information: http://olinuris.library.cornell.edu/content/skill-guides

Google offers a range of tools for doing better research. All are designed for journalists. Navigation is via the left-hand column: http://sites.google.com/site/aujournalists/smarter-search

Fake photos from 2004 “Boxing Day tsunami” can be found at: http://www.snopes.com/photos/tsunami/tsunami1.asp