The document provides tips for taking photos that feature S-curves, including looking for winding roads, rivers, tree branches or other twisting objects that form curves. It recommends emphasizing the vanishing point and positioning objects or following colors in a curved pattern. While the S doesn't need to be perfect, the tips suggest finding detail shots in nature that include curved patterns, parts of people or objects, and using framing and lighting like shadows to guide the eye along a leading curved line.