Videos
Instructions: Click on the botton below to add one more row of videos, Then to change the url of the video click once on the iframe image, and then click on the "world icon" in the "editing toolbar" (is the last button) (you can also double click on the iframe icon that you want to edit), now you can change the URL of the iframe you clicked, once you change all the URLs click on the save button on the "sticky toolbar" on top of the page.
The URL of each video must be the EMBED url