Eye-Catching Experiment Thumbnails

My YouTube channel revolves around big, visual experiments, so each video depends on a thumbnail that screams “click me”. I want one 1280 × 720 design that follows the high-CTR look you see on Mr Indian... (Budget: ₹12500 - ₹37500 INR, Jobs: Adobe Illustrator, Adobe Photoshop, Digital Art, Graphic Design, Icon Design, Logo Design, Photoshop, Visual Design)