Create an adorable, cartoon-style clip art image of a crisp, fresh, and delicious purple plum. The emphasis should be on creating a playful and engaging image suitable for teaching three to four-year-olds. Use a cartoon watercolor style with vibrant colors and soft strokes to give the image a whimsical and child-friendly appeal. Depict the plum with a round shape and a vivid purple hue, capturing its juicy and enticing qualities. Add a single little leaf growing from the top to enhance the visua