Those blank white clouds were staring me in the face so I had to do something with them. Using gray, you can see how I added some shapes throughout the clouds to add some shadows in them.
I added water to the gray marks I had made, but it wasn’t dark enough for me. I then took a wet brush and ran it over the tip of the pencil to pick up more of the gray directly onto my brush (see above). I then painted that gray onto the cloud shapes.
Now I think t hose clouds look a bit more realistic.


