Display.template.php

Pesquisar e alterar
// Show the post itself, finally!
echo '
</td>
</tr></table>
<hr width="100%" size="1" class="hrcolor" />
<div class="post"', $message['can_modify'] ? ' id="msg_' . $message['id'] . '"' : '', '><table border="0" cellpadding="0" cellspacing="0" width="100%" id="table1">

Colocar este código
// Show the post itself, finally!
echo '
</td>
</tr></table>
<hr width="100%" size="1" class="hrcolor" />
<div class="post"', $message['can_modify'] ? ' id="msg_' . $message['id'] . '"' : '', '><table border="0" cellpadding="0" cellspacing="0" width="100%" id="table1">
  <tr>
    <td width="10" style="font-family: Verdana, Arial, Helvetica, sans-serif" height="15">
   <img src="', $settings['images_url'], '/curvajmz03.gif" width="36" height="15"></td>
    <td background="', $settings['images_url'], '/barrajmz.gif" style="font-family: Verdana, Arial, Helvetica, sans-serif" height="15"></td>
    <td width="10" style="font-family: Verdana, Arial, Helvetica, sans-serif" height="15">
   <img src="', $settings['images_url'], '/curvajmz02.gif" width="37" height="15"></td>
  </tr>
  <tr>
    <td background="', $settings['images_url'], '/normaljmz2.gif" valign="top" style="font-family: Verdana, Arial, Helvetica, sans-serif" height="132">
   <img src="', $settings['images_url'], '/triangjmz.gif" width="36" height="72"></td>
    <td valign="top" style="font-family: Verdana, Arial, Helvetica, sans-serif" height="132">
', $message['body'], '</td>
    <td background="', $settings['images_url'], '/normaljmz.gif" valign="top" style="font-family: Verdana, Arial, Helvetica, sans-serif" height="132"></td>
  </tr>
  <tr>
    <td style="font-family: Verdana, Arial, Helvetica, sans-serif">
   <img src="', $settings['images_url'], '/curvajmz01.gif" width="36" height="22"></td>
    <td background="', $settings['images_url'], '/barrajmz2.gif" style="font-family: Verdana, Arial, Helvetica, sans-serif"></td>
    <td style="font-family: Verdana, Arial, Helvetica, sans-serif">
   <img src="', $settings['images_url'], '/curvajmz.gif" width="37" height="22"></td>
  </tr>
</table></div>', $message['can_modify'] ? '
<img src="' . $settings['images_url'] . '/icons/modify_inline.gif" alt="" align="right" id="modify_button_' . $message['id'] . '" style="cursor: pointer; display: none;" onclick="modify_msg(\'' . $message['id'] . '\', \'' . $context['session_id'] . '\')" />' : '' , '
</td>
</tr>';
As imagens estão no attach
Bom trabalho

Sim podes ver no demo do joomlamz

http://smfmz.joomlamz.com/

o demo vai estar sim
esse balao e mesmo que aparace aqui...
as mensagens vem dentro de quadro com isso passam aparecer como mostra a imagem
Quando responde e inicia um topico