With the recent launch of the “new” Twitter, the developers are Twitter also launch some resources for website owners to use. The resources are two fold for Twitter. One, it makes the presence or twitter more consistent across the web. Two, it makes it easier for site owners to use, and promote, Twitter from all over the web.
The new “Tweet Button” has 3 options to choose from and some customization options. The 3 button layouts are:
a) 
b) 
c) 
Twitter’s tool to customize the tweet button is clean, user friendly and easy to use. Customize a tweet button for your website at http://twitter.com/about/resources/tweetbutton.