<!-- message -->
<div id="post_message_$post[postid]">
<if condition="$post[postcount] % $vboptions[maxposts] == 1 AND !$GLOBALS['vbulletin']->GPC['ajax']">

<script type="text/javascript"><!--
google_ad_client = "pub-KODUN";
google_ad_slot = "xxxxx";
google_ad_width = 336;
google_ad_height = 280;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>

<script type="text/javascript"><!--
google_ad_client = "pub-KODUN";
google_ad_slot = "xxxxx";
google_ad_width = 336;
google_ad_height = 280;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>

</if>
<div>$post[message]</div>
</div>
<!-- / message -->

Bu şekilde denermisin birde..