Create your own video using your smart phone, tablet, computer, or video camera, and follow these steps: 

• Upload your video to your YouTube account. If you don't have an account, you can create one by following the instructions here: Create a YouTube Account.
• Once uploaded, click Share (under your video).
• A new line will appear under Share in a small video that looks like this: https://youtu.be/6tFotax1HSk.
• Copy the link
• Paste the link you just copied in the small window entitled, Add Personal Video on your profile page.

Done! Your personal video will appear in your profile.