Could someone take a look at this?

[Camgaertner]

PHP Code:

<div id="container">
        <a name="top" id="top"></a>
        <div id="header">
            <div class="logo"><center><a href="{$mybb->settings['bburl']}/index.php" ><img src="{$theme['logo']}" alt="{$mybb->settings['bbname']}" title="{$mybb->settings['bbname']}" /></a></center></div>
</div>
<br style="clear:both;" />

        <div id="content">


<div class="menu">
<table class="tborder" border="0" cellpadding="4" cellspacing="1">
        
<tr> 
            <center><a href="{$mybb->settings['bburl']}/index.php"><img src="{$mybb->settings['bburl']}/{$theme['imgdir']}/icons/home.png" alt="Home" title="Home" /><strong><a href="{$mybb->settings['bburl']}/index.php">Home</a></strong></td>&nbsp;
<a href="{$mybb->settings['bburl']}/memberlist.php"><img src="{$mybb->settings['bburl']}/{$theme['imgdir']}/icons/
memberlist.png" alt="Memberlist" title="Memberlist" /><strong><a href="{$mybb->settings['bburl']}/memberlist.php">Memberlist</a></strong></td>&nbsp;
                                                <a href="{$mybb->settings['bburl']}/search.php"><img src="{$mybb->settings['bburl']}/{$theme['imgdir']}/icons/search.png" alt="Search" title="Search" /><strong><a href="{$mybb->settings['bburl']}/search.php">{$lang->toplinks_search}</a></strong></td>&nbsp;
                                                <a href="/iphone"><img src="{$mybb->settings['bburl']}/{$theme['imgdir']}/icons/mobile.png" alt="Version for Mobile Devices" title="Mobile" /><strong><a href="/iphone">Mobile</a></strong></td>&nbsp;
            <a href="{$mybb->settings['bburl']}/contact.php"><img src="{$mybb->settings['bburl']}/{$theme['imgdir']}/icons/contact.png" alt="Contact Form" title="Contact" /><strong><a href="{$mybb->settings['bburl']}/contact.php">Contact</a></strong></td>&nbsp;
            <a href="{$mybb->settings['bburl']}/misc.php?action=help"><img src="{$mybb->settings['bburl']}/{$theme['imgdir']}/icons/help.png" alt="Help Section" title="Help" /><strong><a href="{$mybb->settings['bburl']}/misc.php?action=help">{$lang->toplinks_help}</a></strong></td>
    </tr>
<br>
</table>
</center>
</div>
<hr class="hidden" />
            <div id="panel">
                {$welcomeblock}
            </div>
        </div>
        <hr class="hidden" />
        <br class="clear" />
        <div id="content">
            {$pm_notice}
            {$bannedwarning}
            {$bbclosedwarning}
            {$unreadreports}
            {$pending_joinrequests}
<center><script type="text/javascript"><!--
google_ad_client = "ca-pub-2926433416326194";
/* SHF */
google_ad_slot = "4241149195";
google_ad_width = 728;
google_ad_height = 90;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script></center>
<br>
            <navigation> 


I'm having a lot of trouble with my W3 Validation on this one. Mostly having to do with the center tags and whatnot.

Here's the validation log. Thanks for any help guys.