Professional Clean Thumbnail Design

I need a single, eye-catching thumbnail created in a professional, clean style. The final image should be optimised for fast online viewing and delivered in high-resolution PNG as well as an editable source file (PSD, AI or layered PDF)... (Budget: ₹600 - ₹1500 INR, Jobs: Adobe Illustrator, Adobe Photoshop, Digital Art, Graphic Design, Illustrator, Photoshop, Visual Design)