To get Twiter Tweets on Drupal page/Block

add script as : http://widgets.twimg.com/j/2/widget.js;

add this code below with new script tag :
new TWTR.Widget({
version: 2,
type: 'search',
search: 'rainbow',
interval: 30000,
title: 'It\'s a double rainbow',
subject: 'Across the sky',
width: 250,
height: 300,
theme: {
shell: {
background: '#8ec1da',
color: '#ffffff'
},
tweets: {
background: '#ffffff',
color: '#444444',
links: '#1985b5'
}
},
features: {
scrollbar: false,
loop: true,
live: true,
hashtags: true,
timestamp: true,
avatars: true,
toptweets: true,
behavior: 'default'
}
}).render().start();