I don't think your methods were horrible at all. Sometimes we all need a little push of encouragement! He was rewarded for doing what was needed and with praise as well as food. He should be more willing to go in as time goes on.

I forget...does Smokey have Pit in him? If so, did you make sure Spirit allows this breed? Unfortunatly, a lot of airlines are refusing to transport pit bulls and I would hate for you to get there and have them refuse him.