Pete Mall

<p>This plugins enables you to add the official <a href="http://blog.twitter.com/2010/08/pushing-our-tweet-button.html" rel="nofollow ugc">Tweet Button</a> from Twitter. It lets your users share links directly from the page they’re on. When they click on the Tweet Button, a Tweet box will appear — pre-populated with a shortened link that points to the item that they’re sharing.</p>


WP Tweet

Adds the official Tweet Button from Twitter.

binarymoon

<p>Adds Twitter’s new Tweet button to your posts. Also includes a control panel for setting the buttons options. Will soon include other Twitter based features to improve your WordPress & Twitter usage.</p>


BM Tweet This

A simple method for adding Twitter Buttons to your WordPress theme

WP Tweet vs BM Tweet This