Buda yapmak istediğim değişiklik proplayer ve embed hali:

[pro-player width='480' height='360' type='video']http://www.youtube.com/watch?v=7l_T14Y7hAY[/pro-player]

<iframe width="420" height="315" src="http://www.youtube.com/embed/7l_T14Y7hAY" frameborder="0" allowfullscreen></iframe>