is a free social networking and micro-blogging service that enables its users to send and read messages known as tweets. It is the leader of micro-blogging service than any other same service. If you are a Twitter user, you can use this tool to bring your Tweet on your Blog and it is updated automatically.Simple Twitter Updates Widget
This was the first Twitter application. To install, simply fill out the form and click "Add Widget" to install automatically in your layout.
Twitter Gadget for Blogger (EN)
This gadget works in much the same way as the Twitter Updates widget but is simpler to install and can be reconfigured after installation.
Twitter Updates Gadget (ES)
Daniel Ikeda has made a Spanish translation of my Twitter Gadget for easy installation.Source: http://www.bloggerbuster.com/2009/08/16-useful-twitter-tools-for-blogger.html