Help installing ad under first post

[MAdotcom]

No I didn't Lynne. Sorry Thank you for your help though, I would have never figured that out

--------------- Added [DATE]1282494126[/DATE] at [TIME]1282494126[/TIME] ---------------

I am getting this message.

adding child to non-existent node!

This is what the code looks like after I paste it in.

<vb:if condition="$post['isfirstshown']"><script type="text/javascript"><!--
google_ad_client = "pub-2629802984303117";
/* 728x15, created 8/22/10 */
google_ad_slot = "3512815801";
google_ad_width = 728;
google_ad_height = 15;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script></vb:if>