1. Facial Features
Portraits

2. Eyes http://www.youtube.com/watch?v=DkeF7gfyM-U
YouTube - drawing eyes pencil
YouTube - HOW TO DRAW REALISTIC EYES USING PENCIL, CHARCOAL AND BRUSH

3. Eye- Shading Quality

4. Structure of the Eye: The eyeball sits inside the eye socket

5. The muscles around the eye determine its shape

6. Thus the need for accurate shading of and around the eye

7. Eye Shading- Quality

9. Nose http://www.youtube.com/watch?v=1p-V7Hxe5tk&feature=related

10. Mouth http://www.youtube.com/watch?v=cCrIsb4Lzrg