Fix with me ! Demo :
http://s2facebook.com/forum/showthread.php?854
Open Postbit temp search
Code:
{vb:raw ad_location.thread_first_post_content}
Add below :
Code:
<!-- Facebook Like -->
<iframe src="http://www.facebook.com/plugins/like.php?href=http://DOMAIN.com/forum/{vb:link thread, {vb:raw thread}}&layout=standard&show_faces=true&width=450&action=like&font=tahoma&colorscheme=light" scrolling="no" frameborder="0" allowTransparency="true" style="border:none; overflow:hidden; width:450px; height:75px"></iframe>
<!-- / Facebook Like -->
Done.