Login Blogspot
Terus ke tata letak,,, jangan lupa copas ini >:D

<script type="text/javascript" src="http://ahmad-rifai-tools.googlecode.com/files/salju-blog.ahmadrifai.net.js" /></script>
<script type="text/javascript">

snowStorm.snowColor = '#99ccff'; //

snowStorm.flakesMaxActive = 96;
snowStorm.useTwinkleEffect = true;
</script>

terus tambah gadget pilih html/javascript
paste di situ deh terus di simpan sampai sini dulu yo sob :D