Edit the view_video.tpl file and

Findout the following code and

<td width="5"></td>
<td width=323>

after that add

<div class="section bg2">
<div class="hd">
<div class="hd-l">Advertisement</div>
</div>

{insert name=adv_status assign=status adv_name='video_right_single'}
{if $status eq "Active"}
{insert name=advertise adv_name='video_right_single'}
{else}
{if $smarty.request.id ne "" }
</div>


BEFORE THE MODIFICATION YOU NEED TO TAKE THE BACKUP OF view_video.tpl FILE IN TEMPLATE FOLDER