Have you viewed the series 'The Dog Whisperer' with Cesar Millan?
It's very entertaining, Millan approaches canine problems with pets and their owners and shows how to correct troublesome behaviours.
I borrowed the CD set from the public library and was fascinated. Now I see that Cesar Millan is on tv. So I can get my fix!
Here's his website:
http://www.cesarmillaninc.com/