reference:
1. http://s3.hubimg.com/u/997994_f520.jpg
2. http://openparachute.files.wordpress.com/2008/04/freedom-of-expression-go-to-hell.jpg
3. http://www.futureofthebook.org/blog/archives/foe_title.jpg
4. http://www.thegreatilluminator.com/blog/wp-content/uploads/2009/05/karl-marx-hip.jpg
5. http://www.soulculture.co.uk/wp-content/uploads/2010/07/Nelson+Mandela.jpg
6. http://foundation.ukzn.ac.za/Libraries/Staff_Pics/Rick_Turner_1.sflb.ashx
7. http://rogueimc.org/images/2007/12/9609.jpg