Your Fire TV just became an artist, with Amazon unleashing an AI-powered feature that allows supported Fire TV devices to generate art based on a voice prompt. First announced during its big hardware reveal last fall, Amazon’s AI Art feature only works with the company’s latest and most powerful Fire TV sticks and televisions, and for now it’s only in public preview. But if you’re the owner of a second-generation Fire TV Stick 4K Max or a Fire TV Omni QLED Series set, you can start creating custom AI art for your TV’s Ambient Experience background. To get started, just open Fire TV’s Ambient E…