First of all, if you're repeating yourself, that's good.
Repetition is very important. Also, with the treats, reward the good behaviour immediately. However if he doesn't do it like you wanted him to, no treat. He'll learn to work harder for it, trust me.
Here's a site that may help, and if you would like, feel free to PM me anytime!
http://www.geocities.com/Heartland/P.../indexorg.html