To use it:
- Find your video on Vimeo and copy the URL of the page. It should look like this: http://www.vimeo.com/22176353
Create a post in the forum.
Click the Vimeo button and paste in the URL of your video from Vimeo.
You should see an embed of your video, like this:
You can do the same thing with YouTube videos and SoundCloud audio files.