Remy initially was a bit of a puller, and I have taught him to heel.
First, he always is on my left side when we walk. I use a harness on him and short lead (not a retractable).
To train him to heel I carried a bunch of treats in my right pocket. I would hold his lead in my left hand, wound tightly so he was close to me and would hold a treat in my right, above him but so he could see it. I would say "remy heel" over and over as we would walk a little ways, maybe 10 feet. With the lead wound tightly, he was at my heel and his eyes were glued on that treat. His gait was slower because all he focused on was the treat, not "running all over the place"
We would then stop, I would get him to sit and he would get a bit of the treat and I would say "good heel". Then we started over, with "remy heel" and my holding the treat above him. The treat was valuable for training because it kept his attention and he began to learn what "heel" meant.
Now, he is certainly not perfect but when we go out for walks he is generally by my side, sometimes slightly ahead but not pulling. He will still pull once he knows we are "going back inside" because he gets very excited, so we are still working on consistency!!
Good luck to you!
PS - one additional comment - I try to keep his potty location consistent. When we go outside, he potties first and gets to "wander and sniff" in this location until he is done. Once we start to "walk" as opposed to "eliminate" that is when I focus on getting him to heel. Yes, he still gets distracted by a tree here to mark but it is less frequent.
__________________ Susanne and Remy 
Last edited by RemydeHaviland; 07-09-2009 at 11:26 AM.
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