====== YouTube plugin ======

Creates a link to YouTube:
<code>{{youtube>link:MJj5XWQHUFE}}</code>
{{youtube>link:MJj5XWQHUFE}}

Creates a small movie object:
<code>{{youtube>small:u624jZ_cP14}}</code>
{{youtube>small:u624jZ_cP14}}

Creates a large movie object:
<code>{{youtube>large:7cslPMzklVo}}</code>
{{youtube>large:7cslPMzklVo}}