You can include a YouTube/Vimeo video in Theme description, Layer description or in Layer features using the rich text editor.

1. Go to YouTube/Vimeo, locate a video and copy the content of the "Embed" option.
   
2. In rich text editor, click Insert media button . A dialog box will appear.
   
3. Paste the YouTube/Vimeo embed code for the video in the space provided.
4. Click OK to include the video.
5. The video will appear inside the text editor. Play it and verify that it works properly.
6. Click Save to save the changes.
   

For reference, the URLs need to be of the following formats to work:

• player.vimeo.com/video/...
• www.youtube.com/embed/...
• www.youtube.com/v/...