Tweet Button for Blogger

Twitter's official tweet button is here, you can find the button on the page http://twitter.com/goodies/tweetbutton ,
You can get a small button like the one below


First you can optionally customizable your twitter button :


Next Enter your twitter username account in the first textbox :


That will generate the code which needs to be added to blogger, Just go into the layouts and add the code to javascript/html plugin and you are done.