HTML Code:
<!-- icons -->
<table cellpadding="0" cellspacing="0" border="0" align="center"><tr><td rowspan="6">
<table cellpadding="4" cellspacing="1" border="0" ><tr>
<td colspan="6" class="tcat" align="center"><font class="sf"><b>Forum Icons Legend</b></font></td>
</tr><tr>
<td nowrap="nowrap" style="background: #FFFFFF;"><font class="sf"><b>$vbphrase[contains_new_posts]</b></font></td>
<td nowrap="nowrap" style="background: #FFFFFF;" align="center"><img src="$stylevar[imgdir_statusicon]/forum_new.gif" border="0" alt="On" /></td>
<td nowrap="nowrap" style="background: #FFFFFF;"><font class="sf"><b>$vbphrase[contains_no_new_posts]</b></font></td>
<td nowrap="nowrap" style="background: #FFFFFF;" align="center"><img src="$stylevar[imgdir_statusicon]/forum_old.gif" border="0" alt="$vbphrase[contains_no_new_posts]" /></td>
<td nowrap="nowrap" style="background: #FFFFFF;"><font class="sf"><b>$vbphrase[a_closed_forum]</b></font></td>
<td nowrap="nowrap" style="background: #FFFFFF;" align="center"><img src="$stylevar[imgdir_statusicon]/forum_old_lock.gif" border="0" alt="$vbphrase[a_closed_forum]" /></td>
</tr>
</table>
</td></tr></table>
<!-- /icons -->
give that a shot in your forumhome template