This document provides instructions for creating an A4 poster advert using Photoshop. It describes how to set up an A4 size document, add a solid color, gradient or image as the background, import a photo and cut out the background, and add text. The key steps are to create a new A4 size document, add a background using various tools, import images and cut out parts as needed, and add text layers that can be formatted and repositioned. Layers are used to build up the poster with the background on bottom and photo and text above.