how to add twitter in your blog

<!-- Twitter widget -->
 <div id="twitter-widget" style="padding-bottom: 10px; margin-left:auto; margin-right:auto;">
<script src="http://widgets.twimg.com/j/2/widget.js"></script> <script> new TWTR.Widget({ version: 2, type: 'search', search: 'venturebeat', interval: 6000, title: '', subject: 'VentureBeat Live', width: 300, height: 300, theme: { shell: { background: '#E83C31', color: '#ffffff' }, tweets: { background: '#ffffff', color: '#444444', links: '#E83C31' } }, features: { scrollbar: false, loop: true, live: true, hashtags: true, timestamp: true, avatars: true, toptweets: true, behavior: 'default' } }).render().start(); </script>
 </div> <!-- end twitter widget -->any problem say on comment.............