[rogersnm]

That means it shows for guests only. If you want the ads to show just not the text then use this:

<div style="padding:0px 0px $stylevar[cellpadding]px 0px">
<table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="$stylevar[cellspacing]" border="0" width="96%" align="center">
<tr>
    <td class="thead" align="left">Sponsors</td>
</tr>
<tr>
    <td class="alt1" align="center">
<script type="text/javascript"><!--
google_ad_client = "YOUR GOOGLE ID";
google_ad_width = 468;
google_ad_height = 60;
google_ad_format = "468x60_as";
google_ad_type = "text_image";
google_ad_channel ="";
google_color_border = "FFFFFF";
google_color_bg = "FFFFFF";
google_color_link = "0000FF";
google_color_text = "000000";
google_color_url = "008000";
//--></script>
<script type="text/javascript"
  src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script><if condition="$bbuserinfo[userid]"><else />
<br /><br /><b><i>
Stop being a leecher and <a href="{$vboptions[bburl]}/register.php">Register Now!</a></b></i></if>
    </td>
</tr>
</table>
</div>