Very cool. Original design from the book doesn't stay together well (as with nearly all diagrams from this specific book). I made a slight modification by putting the wings on the underside then folding them up and around the body so it stays together a little better.

Difficulty : Beginner-Intermediate
Number of Bills : 2
Denomination Recommended : Any
Credits : Origami with Dollar Bills by Duy Nguyen.

Diagram [PDF] (currently none available)

Side
Dragon 01-01
Face Close Up
Dragon 01-02
Top
Dragon 01-03
Parts Side
Dragon 01-04
Parts Top
Dragon 01-05