After creating all of your graphics, you must produce a short presentation in order to show the company you have made your designs for, what you have done for them.
Use an application such as PowerPoint to create this presentation.
Below is an example a student has created.
Another way of presenting your graphics that you have produced for Flix, is to create a web page to display how the graphics would look in a browser.
Look at the video below to see some instructions on how you could do this.