The link/code you get when hitting "Share" on YouTube. When pushing the "Media" button on this here forum, that's the code it's asking for. But the same code is of no use when tried in your Media part of the forum. Then it will want the full page address. Maybe there is somewhere you can also open up for the shorter version?
Also, it seems the video will not be saved if you do not write anything in the comments box. So when removing the gibberish from YouTube, remember to add some prose of your own.
Also, it seems the video will not be saved if you do not write anything in the comments box. So when removing the gibberish from YouTube, remember to add some prose of your own.