Photoshop Friend onto Matt Damon

I need a seamless head-swap that places my friend onto Matt Damon’s body in a specific scene from “The Martian.” I already have a high-resolution photo of my friend and can send you both that image and a still from the exact moment I want recreated... (Budget: $15 - $25 USD, Jobs: Graphic Design, Illustrator, Image Analysis, Image Processing, Photo Compositing, Photo Editing, Photo Retouching, Photoshop)