The snow can be on any Blog, so I did it to mine and a lot of people are wondering how to get snow on theirs. Well, heres how!
First You need to click Design,
Next you look at the left side of the page and click 'Layout'
Now, find something that says 'add gadget' It can be anywhere,
Now click something that looks like this,
Now you've clicked that and you want snow! ^^ you need this open
Now ignore 'Title' you don't need that, copy and paste
<script type="text/javascript" src="http://files.main.bloggerstop.net/uploads/3/0/2/5/3025338/snowstorm.js" /></script>
And click
SAVE and your finished there should be snow on your blog!