Here are some tutorials I have done. They are based in 3DStudio MAX, but the principals can be used within any package.

Here is a tutorial on how to Model a motorcycle: Suzuki Hayabusa
  It is hosted on A Bunch of Short Guys. Which is a Dallas, Tx. based Animators Guild that I am a member of.
Here's a tutorial on making Normal Maps in Max.
This tutorial shows you both how to use the Render to Texture function in Max as well as How to use geometry to create Normal Maps.
All images are Copyrighted and property of Robby Lamb. If there are questions please contact