There is so much information on the internet and unfortunately not all of it is correct! Here are a few useful links that will you may find helpful or interesting. 

 

Training gear: 

Black Dog Wear

http://www.blackdog.net.au

 

Becoming a trainer:

Australian Delta Society

http://www.deltasociety.com.au/

 

Agility equipment:

Solid Timber Fabrication 

https://www.facebook.com/solidtimberfabrications

 

Behavioural websites:

Patricia McConnell

http://www.patriciamcconnell.com

Positive Response

http://www.positiveresponse.net.au/

Youtube - Kikopup

https://www.youtube.com/user/kikopup

Youtube - Domestic Manners

https://www.youtube.com/user/DomesticatedManners