Acrylic on Two 12x16 Stretched Canvases. In this opening segment, Jerry explains to his viewers what a diptych is and the proper way to compose the composition. He then discusses the sketch of the woodpecker and dead tree. Now he takes his viewers through the process of painting in the vivid bright blue sky using the hake brush. Now he finishes up this segment by explaining what he will be doing in the next episode.