I decided to practice painting a sky and water scene. Beginning by wetting the sky area, I dropped in some blues and greens and let them bleed together. I lifted out cloud shapes with a paper towel and continued with the ocean section. I used a toothbrush to splatter color and, since I haven't yet bought white gouache or masking fluid to keep areas white, I added a little white acrylic paint for the wave spray.
I still have a tendency to overwork the piece.