Langsung aja ...
1. Buka blogger anda
2. Masuk pada menu tata letak
3. Tambahkan widget
4. Pilih HTML/ Javascribt
5. Kemudian paste code di bawah ini
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js' type='text/javascript'>
</script><br />
<script type='text/javascript'>
$(document).ready(function() {
$('img#closed').click(function(){
$('#btm_banner').hide(90);
});
});
</script>
<style type='text/css'>
div#btm_banner {
bottom: 0;
position: fixed;
width: 100%;
opacity: 0.9;
left: 0;
}
div#btm_banner img{
border:0;
cursor:pointer;
}
</style>
<div style='height: 0px;'></div>
<div align='center' id='btm_banner' style='height: 90px; z-index: 9999;'>
<div style='text-align: right; width: 900px; height: 6px;'>
<img id='closed' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-_f6qPseZ89EuVC43fEdRZqXG_AwqMFBQXy9y5kWkaaR8tqcgi7zOGxcaHUMc2TueFZ_W4iT8FhUvgOSN6Ef2AAlJrezQsRvU8343sJ35ZDrYhSj1jLe7SmI58qojCjdC6gCos7IEy1Tt/s1600/close3.png'/></div>
<div style='clear: both;'></div>
<p>
<p><center>
Paste Code Iklan Anda di Sini
</center></p>
</p>
</div>
6. Simpan Widget, kemudian refresh blog anda
Selamat Mencoba ...