Tweets Button

Log in to your blogger account

go to Edit html
Before we proceed Backup your Templates first
Now find this piece of code
<data:Post.body/>

Immediately before that paste this code:

For Upper Right  Side of the blog here;

<div style="float:right;padding:4px;">
<script type="text/javascript">
tweetmeme_url = '<data:post.url/>';
tweetmeme_source = 'Your Twitter Username here';
</script>
<script type="text/javascript" src="http://tweetmeme.com/i/scripts/button.js"></script>
</div>

For Upper Left side of the blog here;

<div style="float:left;padding:4px;">
<script type="text/javascript">
tweetmeme_url = '<data:post.url/>';
tweetmeme_source = 'your_twitter_user_name';
</script>
<script type="text/javascript" src="http://tweetmeme.com/i/scripts/button.js"></script>
</div>

The Save.  you successfully have