You may use this without asking.
Link back to this deviation, and keep the AP.DA somewhere on the picture.
You may change the lines as you wish, but you must credit me for the original lines.
To use the shading, go to a program with layers. Copy it onto a canvas, and change the layer settings to 'Multiply'. Create a layer underneath that and start coloring!
If you don't have a program that handles layers, try downloading Paint.NET or GIMP. Both are free.