Create a colorful and engaging Whatnot thumbnail in 11:17 aspect ratio, ideal for mobile viewing. The scene features a cheerful red-haired woman with glasses, energetically hosting a live auction. She is holding up a diecast car in one hand with a playful, excited expression. Surround her with a variety of diecast cars (including JDM and American muscle cars) displayed on a table or shelves. Use bold, dynamic text that says: “$2 DIECAST DEALS!” and “LIVE AUCTION!”. Add fun visual elements like dollar signs, confetti, and motion lines to show excitement. Use a bright, eye-catching color palette with reds, yellows, and blues. The overall vibe should be fun, energetic, and appeal to collectors and toy car enthusiasts. See more