Beautiful Wireframe Sketches for your Inspiration
Wire framing process. I find sketches insightful to how designers think.
PLANNING YOUR WEB DESIGN WITH SKETCHES (Good Article)
Wireframes of Biscuit : Dictionary App on Behance
Browser Whiteboard Stencil by UI Stencils
Sketches, Layouts & Wireframes by Jorge Alberto Machado Colon, via Behance
Sketching on index cards early in your design process will show you how to effectively visualize data for a small mobile screen