Just press the link in the USER MENU entitled "Add or Upload Video", then check FULL HTML in the pull-down menu below the ABOUT VIDEO section, and then PRESS the SOURCE button on the top right of the editor! At that point, you can paste the embed code into the ABOUT VIDEO body area, the EMBED code is usually provided as an option on almost every YouTube Video. The code will usually show up after you've pressed the SHARE button under a YouTube Video. Simply paste this code (the embed code) into the ABOUT VIDEO section!