**Image Prompt for Ad Campaign:** "A collection of sleek, minimalist biodegradable phone cases arranged on a wooden surface surrounded by fresh green plants. Each case features a soft, natural texture, with a variety of muted earth tones like sage green, warm beige, and deep brown. A subtle, eco-friendly logo is visible on the bottom corner of each case. In the background, a gentle sunbeam filters through leaves, symbolizing sustainability and natural beauty. A simple, yet elegant tagline appears in the foreground: 'Protect Your Phone, Protect the Planet.' The mood is calm, organic, and inviting, showcasing the perfect blend of functionality and eco-conscious design." See more