Check out Auto Truck Transport. I don't know if they hire students. I've heard yes and no.
http://www.autotrucktransport.com/home.aspx
There are a few threads about them on some of the boards. Sounds like an interesting way of making a living driving.
JJ Driveaway is another company to look into.
http://www.jjdriveaway.com/
Keep on thing in mind. Most of the big companies and dealerships bought up every pre 2007 emission truck they could afford. There is going to be a nasty slow down for this kind of work until the big companies start buying trucks again.