1. Please download your template previously
2. Go To Blogger > Template > Edit HTML
3. Click the "Expand Widgets Templates" Box
4. Search for this,
5. Just above it paste the code below,<data:post.body/>
6. Save your template and you are done!<iframe allowTransparency='true' expr:src='"http://www.facebook.com/plugins/like.php?href=" + data:post.url + "&layout=button_count&show_faces=false&width=100& action=like&font=arial&colorscheme=light"' frameborder='0' scrolling='no' style='border:none; overflow:hidden; width:100px; height:20px;'/>
Visit your blog to see it working just fine just below post titles.