Twitter for WordPress make twitter as comment for your blog.
Usage
To put submit form just add strings as follows. 
(You must not change submit form HTML at all. If you change something this plugin will not work correctly.)
<pre><code><?php twlink_for_wpcomment_submit("username"); ?>
</code></pre>
To put comments which is submitted to you blog through twitterLink for WordPress Comment, just add strings as follows.
<pre><code><?php twlink_for_wpcomment_recieve(); ?>
</code></pre>
If you want to customize, you can add 2 options. 
First option “display_comment_limit” is the limit number of comments to display (default value is “all”). 
Second option “islist” is boolean value and is the style setting option. 
If set this option as true then comments are displayed using 
<ul>
<li> tags, 
and if set this option as false then comments are displayed without 
<ul>
<li> tags,</li>
</ul>
</li>
</ul>
<pre><code><?php twlink_for_wpcomment_recieve("display_comment_limit","islist"); ?>
</code></pre>
example <code><?php twlink_for_wpcomment_recieve(5,true); ?></code>
If you want to add Link to twitterLink site add strings as follows.
<pre><code><?php echo twlink_for_wpcomment_link(); ?>
</code></pre>
Customization
The plug in provides the following CSS classes:
<pre><code>* form.tlfc_commentform: the submit form
* ul.twitterlink_fc: the main ul (if list is activated)
</code></pre>
<h3>Contact</h3>
Suggestion, fixes, rants, congratulations, gifts et al to help[at]seunze.com

twitterLink for WordPress comment

Twitter for WordPress make twitter as comment for your blog.

Fytch is a fully featured plugin that provides comment publishing to http://fytch.com 
It allows to assign a Fytch topic to each post so that wordpress comments are co-published under the appropriate topic on http://fytch.com. 
It not only allows to publish comments to http://fytch.com but to Twitter, FriendFeed and Facebook as well.
Fytch is mainly written by <a href="http://fytch.com" rel="nofollow ugc">Oliver Krohne</a>
<h3>More info & Support</h3>
<ul>
<li><a href="http://fytch.com/tools" rel="nofollow ugc">Fytch website</a></li>
</ul>

Fytch

Fytch is a fully featured plugin that provides comment publishing to http://fytch.com

twitterLink for WordPress comment vs Fytch