The video script demonstrates how to create a double exposure effect using the Breeze Booth for Windows application. The process involves adding crosshairs for alignment, using a background image with contrasting dark and light areas, and adjusting photo settings to black and white with a light-in blending mode. The tutorial emphasizes positioning and alignment for optimal results and notes that while this method is quick for live events, more refined results can be achieved using Photoshop. Factors such as background tone and skin tone are also discussed.