I always have trouble with this. Testing…
The way I finally figured out to embed from YouTube is to click the Share button, and then copy the url that is displayed in the popup box. Paste that link here in the Embed field of your reply box.
The way I finally figured out to embed from YouTube is to click the Share button, and then copy the url that is displayed in the popup box. Paste that link here in the Embed field of your reply box.