bbcode olarak ekleyebilirsin.

Title: Yasla
Tag: yasla
Replacement: <div align="justify">{param}</div>
Example: [yasla]Yazı ne kadar uzun olursa olsun aynı hizadan başlat[/yasla]
Desciption: Yazı ne kadar uzun olursa olsun aynı hizadan başlat
Use {option}: No

editor_toolbar_on temasında

Bul:

<if condition="$stylevar['textdirection'] == 'ltr'">
    <td><div class="imagebutton" id="{$editorid}_cmd_justifyleft"><img src="$stylevar[imgdir_editor]/justifyleft.gif" width="21" height="20" alt="$vbphrase[align_left]" /></div></td>
    <td><div class="imagebutton" id="{$editorid}_cmd_justifycenter"><img src="$stylevar[imgdir_editor]/justifycenter.gif" width="21" height="20" alt="$vbphrase[align_center]" /></div></td>
    <td><div class="imagebutton" id="{$editorid}_cmd_justifyright"><img src="$stylevar[imgdir_editor]/justifyright.gif" width="21" height="20" alt="$vbphrase[align_right]" /></div></td>

Altına Ekle:

<td><div class="imagebutton" id="vB_Editor_001_cmd_wrap0_Justify"><img src="images/editor/justify.gif" alt="Wrap [JUSTIFY] tags around selected text" width="21" height="20" border="0" /></div></td>

Bul:

<td><div class="imagebutton" id="{$editorid}_cmd_justifyright"><img src="$stylevar[imgdir_editor]/justifyright.gif" width="21" height="20" alt="$vbphrase[align_right]" /></div></td>
    <td><div class="imagebutton" id="{$editorid}_cmd_justifycenter"><img src="$stylevar[imgdir_editor]/justifycenter.gif" width="21" height="20" alt="$vbphrase[align_center]" /></div></td>
    <td><div class="imagebutton" id="{$editorid}_cmd_justifyleft"><img src="$stylevar[imgdir_editor]/justifyleft.gif" width="21" height="20" alt="$vbphrase[align_left]" /></div></td>

Altına Ekle:

<td><div class="imagebutton" id="vB_Editor_001_cmd_wrap0_Justify"><img src="images/editor/justify.gif" alt="Wrap [JUSTIFY] tags around selected text" width="21" height="20" border="0" /></div></td>

eklentiyi de images/editor/ klasörüne kopyalayın.