1. Log in to your dashboard--> Design- -> Edit HTML

2. Click on "Expand Widget Templates"

3. Search "Ctrl+F" and find the following cod:
<b:if cond='data:post.title'>
<h2 class='art-postheader'>

4. Now paste the next code after the upper code:

<div style='float:right; margin-right:10px;'>
<script>var twittleystyle = "1";</script><script src='http://twittley.com/button/button.js'/>

With this trick the like and twitter button will appear in the right side of the title , if you want to make the buttons apperar in the article you have to paste the facebook and twitter code before (for the buttons to appear top of the article) or after (for the buttons to appear bottom of the article) this code: