Here is a site to help stop your dog's behavior problems.
Sit! Stay! Fetch!

For a well behaved long living ferret.
Find out about Ferrets

Here is a jam-packed manual full of information about dog and puppy training.
Dove's 7 Training Lessons

Another good site known as the "dog training tutor"
Dog Training Tutor

Here is a good site with a do it yourself method.
Do it yourself dog training