From Eli's post: "... I don't know about everyone else, but usually the first thing I do after loading models is loop over their effects and set up their lighting. (Check Shawn's blog to read more about the standard lighting rig and per pixel lighting. ) The other day I thought of a neat way to tuck this code away a little, so I thought I'd share.
A subclass of ContentManager could easily handle the model setup code for us automatically. It could check what kind of content it's being asked to load, and if the content type is a Model, it can set up the model automatically ...".Read on!