OK, hit the preview to the left before posting. It let's you see if you did it right before posting it blank, LOL!

Now, open the reply screen here on GLP.

Then open a separate screen to You Tube.

Pick the video you want, open it and highlight the http address and right click on it & copy.

Go to your GLP screen and paste it in the reply. Highlight it and click the You Tube button above the reply box.

Don't give up, you can do it!