These simple guide shows how to public Youtube news in Joomla 1.7.3, with JCE v. 2.0.17 and JCE Mediabox 1.1.1 from the front-end.
1. Go the hompage and login.
2. If you have the option create article in a menu or module, use it, or edit an existing article.
You should have something like this:

3. Open a new window and find your Youtube clip ! Remember to click on share or del (Danish). Copy the text, this example: http://youtu.be/E5-8gtFfoqo

4. Return to your article and write some text in the editor:
Who else than Seth Morrison!
5. Then mark it

6. Click on Insert/Edit link
A pop up will show up. Paste in the link from Youtube in the URL box. Write som text in the textbox.

7. Click on the Popups tab and from the dropbox menu Popup Type choose JCE MediaBox Popups

8. You can write a title if you want.
Text will show up below the Youtube movie

9. From the Media Type dropdown menu, choose External Links ...

10. Click insert and then you have a pop-up link: