This plugin does not work, or if it does it is so confusing that I cannot figure it out. Their really needs to be some written instructions. Instead the author wants you to pay him to set it up.
This text is at the top of every page
"I improve my plugins on a weekly basis but the best version is only provided when I am hired. Prices start at £49.99 for hands on installation and project configuration support. Read more. Please remember to replace the AdSense code in this plugin with your own."
He is charging £49.99 which is $83.41. It sounds like this is only a demo of the "real" plugin. I am going to write to support and have them remove this plugin because it does not work.