Wildlife Photo Retouching for Exhibits

I have a collection of high-resolution wildlife shots destined for large-format exhibition prints. Each image needs precise color correction to bring out true-to-life tones and expert detail sharpening so every feather, fur strand, and scale holds up under close gallery lighting... (Budget: $10 - $30 AUD, Jobs: Image Processing, Image Upscaling, Photography, Photoshop, Photoshop Design, Print Design, Visual Arts)