Use the photo I've attached of my pet, {{pet_name}}. Paint them as the hero on the opening page of a children's picture book. Keep my pet's face, markings, fur color and pattern, eye color, ear shape and build true to the photo, softened into the illustration style but still clearly {{pet_name}}; don't slim them. Show them setting off on an adventure in a cozy, sunny world: a garden gate left open, a winding path, a curious snail and a butterfly to chase, with a small satchel on their back. Style: hand-painted gouache with soft colored-pencil texture on warm cream paper, gentle rounded shapes, a limited palette of sage green, butter yellow, sky blue and rose, and plenty of white space around the scene. At the bottom, in a friendly storybook typeface, one line of text exactly as written: "This is {{pet_name}}. {{pet_name}} is {{pet_personality}}." No other text, logos or watermarks. Format: {{aspect_ratio}}.