Then, I opened the drawing in photoshop and added some gray tones....
Using various brushes with different opacities, I can play around with the original drawing.
I am enjoying trying to find ways to keep my digital art "warm." I have often found lots of digitally created art to be very slick and sometimes too cold for my taste. I am not a slick illustrator in any media, so, it is my challenge to find ways to keep my art looking like it is hand done.