Добавляем кнопку FB Like Button в Video System 3.0.3

ACP -> Skins -> "Skin" -> Templates -> skin_videos - videoView:

найти:

<div class='block_wrap'>
<div class='general_box' style='text-align:center;'>
{$video['embed']}

добавить ниже код для "Like Button":

(код для "Like Button" можно получить c Facebook)

<div id="fb-root"></div>
<script>(function(d, s, id) {
 var js, fjs = d.getElementsByTagName(s)[0];
 if (d.getElementById(id)) {return;}
 js = d.createElement(s); js.id = id;
 js.src = "//connect.facebook.net/en_US/all.js#appId=117338918370399&xfbml=1";
 fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));</script>
<div style='float:left; width:50%;'>
<div class="fb-like" data-send="false" data-width="450" data-show-faces="false"></div>
</div>

Save and Enjoy ;)