http://www.3dlessons.com/tutorials/A-Dolphin-72337.html
http://www.3dlessons.com/tutorials/Modeling-a-Human-Hand-14688.html
This one has several follow-up videos:
http://www.3dlessons.com/tutorials/Modeling-a-Human-Head-Part-1-51470.html
All about help and ideas around the 3D free software Blender. A commonly industrial like soft that can now be a new collab' leader in its field modelisation channel: model - render - animation - game engine - physic - particule effects ... and great other tools inside. now to explore and more, and