The easy way to insert images and youtube videos on our boards is as follows:
For reference I have attached images, please review the below jpg

For me to put the above image into my post I did the following:
I clicked the miniature Mona List button (Highlighted in red in the above image) which will make the img code appear within your post.
Notice the two sets of brackets. Your goal is to insert the URL of your youtube video OR the URL of the direct image on the web within those brackets.
Youtube videos use the <YouTube> button (green) and Images use the <Insert Image> button (red).
Example below:

That's all there is to it, and the youtube button works exactly the same. So basically:
- Click appropriate button
- Paste URL in between the bracketed code
- Post
Enjoy sharing all your great media with your friends!
Sianl