将内容页里的代码:<div class="artmainr">
    <!--内容页广告-->
     <div class="ad2">
     <script type="text/javascript"><!--
google_ad_client = "pub-5956859924490666";
/* 300x250, 创建于 10-5-24 */
google_ad_slot = "5093467456";
google_ad_width = 300;
google_ad_height = 250;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
  </div>

删掉就可以了