The real bonus with Web 2.0 is that it easily facilitates ordinary web users to create their own content and contribute to campaigns. This was forwarded to me by one of my students, no name! I guess they lean away from the Conservatives!
After a little investigation I found a lot of different posters, all of a similar vein though perhaps less blunt, floating around on Twitter. The site where these originate is very simple and allows anyone to generate the words to fit around the now famous, possibly airbrushed, picture of Cameron. It is a creation of Andy Barefoot who supports neither Labour or Conservatives, maybe a Liberal Democrat (??) and his site has a few more sophisticated versions. But the power of these is that all those online activists can create them, circulate them, some may go viral, a lot of people have a laugh but, in political terms, it may have an impact on overall perceptions of David Cameron. This may not be based on the message itself, though they may be reminders of negatives linked to Cameron's history or persona, the above links to the Labour 'Dave the Chameleon' video and his background in public relations as negatives. But such offhand allusions to a negative message that makes this powerful; impact is based mainly on the fact that people we know (our friends on Facebook, Bebo and social networks or those we follow on Tumblr and Twitter or email contacts) do not like Cameron and oppose him as prime minister. I wait to see the same done to Labour and Gordon Brown, or is deemed too easy a target?