- Image size: 1280 x 720 pixels (minimum) - Cartoon character

- Image size: 1280 x 720 pixels (minimum) - Cartoon character: A happy, smiling ??? or animal (e.g., a cartoon rabbit or a cheerful monkey) holding a giant alphabet book or standing in front of a colorful alphabet background. - Color scheme: Bright, bold colors like red, blue, yellow, and green to appeal to kids and make the thumbnail stand out. - Text overlay: The title "Amazing ABCs" in bold, easy-to-read font, with the subtitle "Learn the Alphabet with Fun!" or something similar to give a hint about the content of the video. - Visual effects: Some visual effects like sparkles, stars, or confetti to give the thumbnail a celebratory feel

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits