JuiceJet Trailer Photoshop Mock-ups

I have clear, high-resolution photos of my JuiceJet bin-cleaning unit and a separate set of shots of the tandem trailer it will ride on. Your task is to merge them into convincing side-view composites that look as though the machine was photographed already mounted... (Budget: $10 - $30 AUD, Jobs: Adobe Photoshop, Graphic Design, Illustration, Illustrator, Photo Compositing, Photoshop, Print Design, Visual Design)