By the way - the forum's only 6 weeks old, I'm a relative newbie at forum Admin stuff, but I've gotten my site pretty well beaten into submission.
From the first example - here's the code bits that set up my main menu.
// Start the main menu.
echo '
<ul class="mainnav">';
// Show the [home] button.
echo '
<li><a href="', $scripturl, '">' , $txt[103] , '</a></li>
<li class="mainnavDivider"><!-- /--></li>';
// Show the [forum] button.
if(!empty($context['portalactive']))
echo ($current_action=='forum' || $context['browser']['is_ie4']) ? '<td class="maintab_active_' . $first . '"> </td>' : '' , '
<td valign="top" class="maintab_' , $current_action == 'forum' ? 'active_back' : 'back' , '">
<a href="', $scripturl, '?action=forum">' . $txt['sp-forum'] . '</a>
</td>' , $current_action=='forum' ? '<td class="maintab_active_' . $last . '"> </td>' : '';
// Show the [help] button.
echo '
<li><a href="', $scripturl, '?action=help">' , $txt[119] , '</a></li>
<li class="mainnavDivider"><!-- /--></li>';
// How about the [search] button?
if ($context['allow_search'])
echo '
<li><a href="', $scripturl, '?action=search">' , $txt[182] , '</a></li>
<li class="mainnavDivider"><!-- /--></li>';
// Is the user allowed to administrate at all? ([admin])
if ($context['allow_admin'])
echo '
<li><a href="', $scripturl, '?action=admin">' , $txt[2] , '</a></li>
<li class="mainnavDivider"><!-- /--></li>';
// Edit Profile... [profile]
if ($context['allow_edit_profile'])
echo '
<li><a href="', $scripturl, '?action=profile">' , $txt[79] , '</a></li>
<li class="mainnavDivider"><!-- /--></li>';
// Go to PM center... [pm]
if ($context['user']['is_logged'] && $context['allow_pm'])