YouTube
To embed a youtube video like the one you see, use the following widget code:
{{#Widget:YouTube|id=QFv7AFRmmTs|width=500}}
Parameters
The following parameters are supported by this widget.
|id= video id (from the URL)
|playlist= playlist name (starts with PL) - first clip is played (id is ignored)
|height= and |width= define view dimensions, 420x350 is default
the maximum size for the Waze wiki pages is |width=720