you can user following code for do this..
<!-- facebook -->
<script>function fbs_click() {u=location.href;t=document.title;window.open(‘http://www.facebook.com/sharer.php?u=’+encodeURIComponent(u)+’&t=’+encodeURIComponent(t),’sharer’,'toolbar=0,status=0,width=626,height=436′);return false;}</script><a href=”http://www.facebook.com/share.php?u=<url>” onclick=”return fbs_click()” target=”_blank”><img src=”ADD_IMAGE_URL_HERE” alt=”Share on Facebook” /></a>
<!-- twitter -->
<a href=”http://twitter.com/home?status=Currentlyreading <?php the_permalink(); ?>” title=”Click to share this post on Twitter”"><img src=”ADD_IMAGE_URL_HERE” alt=”Share on Twitter”></a>
<!-- Linkedin -->
<a href=”http://www.linkedin.com/shareArticle?mini=true&url=<?phpthe_permalink(); ?>&title=<?php the_title(); ?>&source=ADD_YOUR_BLOG_URL_HERE”><img src=”ADD_IMAGE_URL_HERE”></a>
its may what you needed..
Thanks..