This could be useful for you pencil users.

Karl Gnass teaches you how to sharpen that pencil like a pro.

Other videos that you should also check out includes:

• How To Draw With A Pencil
• How to Draw The Figure With Line and Tone
• How to Draw Form with Light and Tone

Amazing portrait of Robbin Williams drawn by Heather Rooney.

Check out this amusing animation by Felix Zehender from Germany. I like the nice blend of 2D animation with live action video.

Concept artist Mark Molnar is crowdfunding his first artbook Behind the Pixels. The campaign is going to end on 9 Nov 2014. Check it out at https://www.itsartmag.com/features/projects/behind-the-pixels/

Also visit his website and blog to see more artworks.