At the moment I can't be bothered with a lot of the excerises in the article, and I'm making very slow progress with a few of them.
In the meantime I've been looking at some awesome guitar slapping styles, particularly ones from a J-Rocker known as Miyavi. He's basically an asian version of Marylin Manson only he can really play some kickass guitar. Look at him go:
http://youtube.com/watch?v=7ThoGOST-Gw&mode=related&search=Miyavi
And while I'm here this Justin King guy is also dam cool, with a different yet much more pro style:
http://youtube.com/watch?v=Rd19j5-7NB4