How to add a “facebook like box at the end of each post” ?

After my earlier posts “static facebook like box pop out with smooth jquery effect” and “Add a customized jquery ‘popup facebook like box’ in blogger” .Today i came into a new idea  i.e,why can’t we add a ‘facebook like box at the end of each post’ in your blogger .so we all learn how to add this to blogger.

Part1

1.Go to blogger->> Design –>> Edit Html

2.Before it back up your template.

3.Click “Expand widgets box” Box

4.Search for the <data:post.body/>

5.Just above <data:post.body/> paste below code.

<iframe src="//www.facebook.com/plugins/likebox.php?href=http%3A%2F%2Fwww.facebook.com%2Fpages%2FModifymyblogs%2F191755004247458&amp;width=500&amp;height=200&amp;colorscheme=light&amp;show_faces=true&amp;border_color&amp;stream=false&amp;header=true" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:500px; height:290px;" allowTransparency="true"></iframe>

6.change red color keywords and save template.