Have you had problems embedding Vimeo videos into a Joomla site? OSVimeo the fastest and easiest way to use Vimeo with Joomla.
OSYouTube allows you to embed Vimeo videos simply by copying-and-pasting a video URL from Vimeo
All you have to do is paste the URL of a video into your articles. The plugin takes care of the rest! What could be more simple?