Lightweight plugin that overrides the default widget «recent comments» in WordPress, adding an avatar display visitors comments and quotes length of 50 characters.
Is a direct descendant of WP_Widget_Recent_Comments.
Example markup that is generated by the plugin(for theming):
<ul id="recentcomments">
<li class="recentcomments">
<div class="alignleft">
<img width="32" height="32" class="avatar avatar-32 photo" src="http://0.gravatar.com/...%3D32&r=G" alt="">
</div>
<b>UserName</b>: excerpt comment <a href="http://example.com/page/#comment-ID">»</a>
</li>
<li class="recentcomments">
...
</li>
</ul>
Te puedes descargar este plugin para utilizarlo en tu instalación autoalojada de WordPress.