Gooday Liz,
For a start try this site here.
Its the best site I have found yet.
(Others please look away. This is not for your eyes.....)

http://www.abc.net.au/tv/waggingschool/training/
Best of luck. With the information here you're of to a good start.
Jonno....
Staycalm wrote:
I have a lovely established veggie garden in the back yard. I am planning to
get a puppy or young dog (small breed) in the next 4 months or so.
Should I plan to fence off the veggie garden in some way?
What can I use that's not too costly but will protect the patch?
Liz