Tether causing trouble with airport

[ckpj99]

So I tethered my macbook (13", white) to a blackberry via bluetooth the other day using the blackberry as a modem. It took a bit of searching to figure it out, but it worked. Afterward, I turned my airport back on and now everytime I start up my computer or wake it up, it takes several minutes before it finds the airport. It seems like it's still trying to connect via the bluetooth and blackberry. I've turned off my bluetooth. I unpaired and deleted the blackberry from my bluetooth devices list. I don't know what else to do. When I start my machine or a web browser, a Internet Connection dialogue box comes up saying that the connection device can't be found. This happens two or three times and then the airport kicks in. I can still get online via wifi, but it's just annoying to have to deal with. Also, if I'm using an app like TweetDeck or if I'm doing a large download and my computer goes to sleep, it program/download gets interrupted... another annoyance. What am I missing? How can I make my airport the default connection again? Thanks for you help.