[Analogpoint]

I added it right here (in the navbar template)

			<strong><phrase 1="$bbuserinfo[username]" 2="$bbuserinfo[userid]">$vbphrase[welcome_x]</phrase></strong><br />
			<phrase 1="$pmbox[lastvisitdate]" 2="$pmbox[lastvisittime]">$vbphrase[last_visited_x_at_y]</phrase>
			<if condition="$show['pmstats']"><br />

<!-- added -->
<if condition="$bbuserinfo[pmunread]">
<a href="private.php"><img style="vertical-align:bottom;" src="$stylevar[imgdir_misc]/newpm.gif" alt="" border="0" /></a>
</if>
<!-- /added -->

<phrase 1="$vbphrase[unread_x_nav_compiled]" 2="$vbphrase[total_x_nav_compiled]" 3="$session[sessionurl_q]">$vbphrase[private_messages_nav]</phrase></if>