So I had some time to kill and it's been a very long time since I peaked at WMW and I read this thread...I can't stop laughing. 
http://www.webmasterworld.com/google_adsense/3120684.htm

http://www.webmasterworld.com/google_adsense/3120684.htm
My CTR is more than 8%, is it dangerous? What should I do?