This is the main page with all of my free video tutorials. At this point they are all relating to subd/subpatch modeling but I might cover other topics in the future. Hope you find them useful! 
–Jeff
Creating a subdivision surface / subpatch cube with rounded corners
Cutting a subdivision / subpatch hole through a cube
Creating an extruded cube off of the face of a subdivided object
Create a curved object with rounded corners (done in Silo 1.4)
Creating bottle / screw threads using subdivision surface modeling
Creating ‘X’ and ‘T’ pipe joints using subdivision surfaces
Modeling a perfume bottle with subdivision surfaces (Parts 1,2,3,4)
Creating a DNA double-helix model in Lightwave 3d