Y.E.
To tell you the truth, I have no idea what i did right. We tried everything with my son and he just seem not to get it. I started to accept the fact that boys usually take longer then girls. He turned three and a few months later he didn't want to wear a diaper or pull up anymore. He didn't pee in his bed and he went to the potty on his own, the big potty not the training one.
But we tired videos, peeing on things in the potty (target practice), treats, you name it, we tried it and it just seem to all fail.
If I have any advice to give you it's keep trying, don't give up and do your best to be supportive. The worse thing you could do when potty training is yelling at a kid for having an accident. So far it sounds like you're on the right track. Good luck!