Now, you will need to find a video or image to use as your source. If you already have a video file downloaded, or an image saved, skip this step. If not, you're going to want to find a video that you can use online. I will discuss YouTube since it is the most popular place to find videos. You will need to download a video in an AVI, MPG, MPEG, or MP2 format. Follow this guide to download a video from YouTube and save it to your computer.
