Popup curtir do facebook no blog

Colocando o popup do curtir no blog como na imagem abaixo:

1- Vá para Design > Editar html
2- Faça um backup do seu template
3- Cole o código abaixo em cima da tag /body

<script type='text/javascript'>
//<![CDATA[
KNFBFansPRO='suapaginaface'

//]]>
</script>
<style>#fblikepop{background-color:#fff;display:none;position:fixed;top:200px;_position:absolute; /* hack for IE 6*/width:450px;border:10px solid #6F6F6F;z-index:200;-moz-border-radius: 9px;-webkit-border-radius: 9px;margin:0pt;padding:0pt;color:#333333;text-align:left;font-family:arial,sans-serif;font-size:13px;}

#fblikepop body{background:#fff none repeat scroll 0%;line-height:1;margin:0pt;height:100%;}

.fbflush{cursor: pointer;font-size:11px !important;color:#FFF !important;text-decoration:none !important;border:0 !important;}

#fblikebg{display:none;position:fixed;_position:absolute; /* hack for IE 6*/height:100%;width:100%;top:0;left:0;background:#000000;z-index:100;}

#fblikepop #closeable{float:right;margin:7px 15px 0 0;}

#fblikepop h1{background:#6D84B4 none repeat scroll 0 0;border-top:1px solid #3B5998;border-left:1px solid #3B5998;border-right:1px solid #3B5998;color:#FFFFFF !important;font-size:18px !important;font-weight:normal !important;padding:5px !important;margin:0 !important;font-family:&quot;Lucida Sans Unicode&quot;, &quot;Lucida Grande&quot;, sans-serif !important;}

#fblikepop #actionHolder{height:30px;overflow:hidden;}

#fblikepop #buttonArea{background:#F2F2F2;border-top:1px solid #CCCCCC;padding:10px;min-height:50px;}

#fblikepop #buttonArea a{color:#999999 !important;text-decoration:none !important;border:0 !important;font-size:10px !important;}

#fblikepop #buttonArea a:hover{color:#333 !important;text-decoration:none !important;border:0 !important;}

#fblikepop #popupMessage{font-size:12px !important;font-weight:normal !important;line-height:22px;padding:8px;background:#fff !important;}

#fblikepop #counter-display{float:right;font-size:11px !important;font-weight:normal !important;margin:5px 0 0 0;text-align:right;line-height:16px;}</style>

<script src='http://mybloggertricks.googlecode.com/files/jquery.js' type='text/javascript'/>

<script src='http://connect.facebook.net/en_US/all.js#xfbml=1' type='text/javascript'/>

<script src='http://mybloggertricks.googlecode.com/files/mbtlikebox2.js' type='text/javascript'/>

<script language='javascript'>
//<![CDATA[
$(document).ready(function(){
$().KNFBFansPRO({
timeout: 30,
wait: 0,
url: 'http://www.facebook.com/suapaginaface',
closeable: true });
});
//]]>
</script>
<div id='fbtpdiv'/>

Substitua suapaginaface com seu facebook username.
O tempo está definido 30 segundos, mude pelo tempo que quiser.
O widget aparece imediatamente depois que o visitante entra. Se quiser que o popup apareça depois de um minuto ou mais edit wait: 0.