1) There is a new tag in the posting interface: the youtube tag. This will allow you to easily embed youtube video in your post. Click on it then insert the video ID between the tags. For example, if the url to the page with the video is: http://www.youtube.com/watch?v=ipZDG6__Zfc# then the text between your tags should be: ipZDG6__Zfc
Your result should look like this:
[youtube:2un1c4kq]ipZDG6__Zfc[/youtube:2un1c4kq]
Feel free to watch the whole video. You know you love Right Said Fred.

If you have any questions or problems, never hesitate to PM myself or Nick.
More functionality to come...
Thanks,
Marco