1.2.x uyumlu vBulletin stil navbar...
Biliyorum çoğu temada var fakat vB navbarı olmayan temalar kullananda olabilir, olmaz mı diyenler varsa buyursun, işlemler AdminKP >>> Kalıplar'dan yapılıyor. Verdiğim kodları eskileriyle değiştirin 
header:
<a name="top" id="top"></a>
<div id="container">
<div id="header">
<div class="logo" align="left"><a href="{$mybb->settings['bburl']}/index.php"><img src="{$theme['logo']}" alt="{$mybb->settings['bbname']}" /></a></div>
<br />
<hr class="hidden" />
{$welcomeblock}
</div>
<hr class="hidden" />
<br class="clear" />
<div id="content">
{$bannedwarning}
{$bbclosedwarning}
{$unreadreports}
header_welcomeblock_guest
<table border="0" cellspacing="$theme[borderwidth]" cellpadding="$theme[tablespace]" class="tborder">
<tr>
<td class="trow1" width="60%" rowspan="2"><navigation></td>
<td width="30%" class="trow2" style="font-size:11px">
<form action="member.php" method="post">
<input type="hidden" name="action" value="do_login" />
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td><strong>{$lang->username}</strong> </td>
<td><input type="text" class="textbox" name="username" title="{$lang->login_username}" value="{$lang->login_username}" onfocus="this.value=''" /></td>
</tr>
<tr>
<td><strong>{$lang->password}</strong> </td>
<td><input type="password" class="textbox" name="password" title="{$lang->login_password}" value="{$lang->login_password}" onfocus="this.value=''" /> <input type="submit" class="button" name="submit" value="{$lang->login}" /></td>
</tr>
</table>
</form>
</td>
</tr>
</table>
<div class="menu" align="center">
<ul>
<table align="center">
<tr align="center">
<td class="topmenu" width="1%"><a href="{$mybb->settings['bburl']}/member.php?action=login">{$lang->welcome_login}</a></td>
<td class="topmenu" width="1%"><a href="{$mybb->settings['bburl']}/member.php?action=register">{$lang->welcome_register}</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/misc.php?action=help">$lang->toplinks_help</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/memberlist.php">$lang->toplinks_memberlist</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/calendar.php">$lang->toplinks_calendar</a></td>
<td class="topmenu" width="1%"><a href="search.php?action=getnew">$lang->welcome_newposts</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/search.php">$lang->toplinks_search</a></td>
</tr>
</table>
</ul>
</div>
header_welcomeblock_member:
<table border="0" cellspacing="$theme[borderwidth]" cellpadding="$theme[tablespace]" class="tborder">
<tr>
<td class="trow1" width="60%"><navigation></td>
<td width="40%" class="trow2" style="font-size:11px">
$lang->welcome_back <a href="$settings[bburl]/search.php?action=getnew">[ Yeni Mesajlar ]</a><br />
$lang->welcome_current_time<br />
<a href="private.php">$lang->welcome_pms</a> $lang->welcome_pms_usage</td>
</tr>
</table>
<div class="menu" align="center">
<ul>
<table align="center">
<tr align="center">
<td class="topmenu" width="1%"><a href="$settings[bburl]/index.php">Forum</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/portal.php">Portal</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/usercp.php">$lang->welcome_usercp</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/calendar.php">$lang->toplinks_calendar</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/misc.php?action=help">$lang->toplinks_help</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/search.php">$lang->toplinks_search</a></td>
<td class="topmenu" width="1%"><a href="$settings[bburl]/memberlist.php">$lang->toplinks_memberlist</a></td>
<td class="topmenu" width="1%">{$admincplink}</td>
<td class="topmenu" width="1%"><a href="{$mybb->settings['bburl']}/member.php?action=logout&uid={$mybb->user['uid']}">Çıkış</a></td>
</tr>
</table>
</ul>
</div>
header_welcomeblock_member_admin:
<a href="{$mybb->settings['bburl']}/{$config['admin_dir']}/index.php">{$lang->welcome_admin}</a>
headerinclude:
<link rel="alternate" type="application/rss+xml" title="{$lang->latest_threads} (RSS 2.0)" href="{$mybb->settings['bburl']}/syndication.php" />
<link rel="alternate" type="application/atom+xml" title="{$lang->latest_threads} (Atom 1.0)" href="{$mybb->settings['bburl']}/syndication.php?type=atom1.0" />
<meta http-equiv="Content-Type" content="text/html; charset={$charset}" />
<script type="text/javascript" src="jscripts/prototype.lite.js?ver=121"></script>
<script type="text/javascript" src="jscripts/moo.ajax.js?ver=121"></script>
<script type="text/javascript" src="jscripts/general.js?ver=121"></script>
<script type="text/javascript" src="jscripts/popup_menu.js?ver=121"></script>
<link rel="stylesheet" type="text/css" href="{$theme['css_url']}" />
<script language="Javascript" type="text/javascript">
<!--
var cookieDomain = "{$mybb->settings['cookiedomain']}";
var cookiePath = "{$mybb->settings['cookiepath']}";
var newpm_prompt = "{$lang->newpm_prompt}";
var deleteevent_confirm = "{$lang->deleteevent_confirm}";
var removeattach_confirm = "{$lang->removeattach_confirm}";
var loading_text = '{$lang->ajax_loading}';
var saving_changes = '{$lang->saving_changes}';
// -->
</script>
<script type="text/javascript" src="jscripts/thx.js"></script>
{$newpmmsg}
Navigasyon Kalıplar >>> nav:
<div class="navigation">
<img style="vertical-align:bottom;" src="images/nav_start.gif"/>{$nav}{$activesep}{$activebit}
</div>
Navigasyon Kalıplar >>> nav_sep:
Navigasyon Kalıplar >>> nav_sep_activate:
<br><img style="vertical-align:bottom;" src="images/nav_end.gif"/>
Son olarak ekteki resimleri images/ klasörüne FTP'den gönderin. Hayırlı olsun 
http://www.mybbdestek.com farkıyla... 
NOT: [Yeni Mesajlar]'ı linklerin üstüne ekledim daha hoş oldu
Örnek:
MyBB
vBulletin Stil NavBar
vBulletin Stil NavBar
