Create a whimsical, painterly illustration of a dog peeking from behind a wooden surface. Show the dog with large, expressive eyes and fluffy textured fur rendered with visible brushstrokes. Infuse the scene with the theme of “peeking”: Capture the irresistible urge to look when you shouldn’t, show the charged moment suspended between curiosity and discovery. Let the dog’s gaze feel wide, alert, mischievous — as if it has just spotted something secret, forbidden, or wonderfully unexpected. Use warm, textured colors, soft lighting, and a playful, storybook atmosphere. Mood: cute, humorous, poetic — a single curious dog caught in the fragile instant between hiding and revealing.