Photography Project: Your assignment is to create a portfolio of images that uses tonal contrast to create powerful images. The main goal of this exercise is to manage the contrast in the images -- specifically placing the contrast where it will have maximum impact.ou may need to create an idea in your mind of what you would like to create (this is referred to as previsualization). Then, you will need to wait for the proper conditions to capture the image. Photography Project: Use light and weather to create a portfolio with images that are characterized by mood.