I've never seen edgeloop 'tutorials'... since edgeloops can be applied to many different models it seems more of a concept that an artist needs to internalize.

Would be nice though.  I've seen one web page showing a bit of setting up edgeloops on a face and read it mentioned in regards to vehicles...

I'll see if I can dig up what I ran into before...

(edit)

Here's a little something:

http://www.secondpicture.com/tutorials/3d/3d_modeling_of_a_human_head_3ds_max_01.html