How Add Retweet Button To Blogger Posts

How To Add Retweet Button To Blogger Posts,retweet button is for website and blog publishers that want to encourage their audience to retweet their content on twitter.And if your content is good and gets retweeted from some good members then traffic to your blog is really enormous.Its a great source of traffic.I love it.Twitter is being used by many bloggers to promote their blogs. This donesn't