Add facebook like in your blogger sidebar

To add facebook like in your blogger sidebar, go to layout-> add gadget-> add HTML/JavaScript:
and copy the following JavaScript code and place,  then replace  http://jiansenlu.blogspot.com to your site

<iframe src="http://www.facebook.com/plugins/like.php?href=http://jiansenlu.blogspot.com/&amp;layout=button_count&amp;show_faces=true&amp;width=450&amp;action=like&amp;colorscheme=light" scrolling="no" frameborder="0" allowtransparency="true" style="border:none; overflow:hidden; width:450px; height:60px"></iframe>
    <fb:like href="http://jiansenlu.blogspot.com/" layout="standard" show_faces="true" width="450" action="like" colorscheme="light" /></fb:like>

After a user clicks facebook like, the link of your blog will be shown in his facebook wall.