PBS
Pbs Learning Media: Giving Rise to the Jet Stream
This interactive activity from NOVA Online uses animation and graphics to offer a detailed explanation of the jet stream. A thorough account is given of the role played by the Sun's heat and Earth's shape and rotation, among other factors.
Idaho State University
Global Wind Systems [Pdf]
A great description of the global scale circulation and heat energy. Discusses a single-cell model, a three-cell model, jet streams and more.
CK-12 Foundation
Ck 12: Earth Science: Global Wind Belts
[Free Registration/Login may be required to access all resource tools.] Describes how regional differences in solar radiation create global wind belts.