How to Create Snow Falling Effects on blogger

Adding To Blogger
Go to Design > Page Elements.
Click Add A Gadget.
In Add A Gadget window, select HTML/Javascript .
Copy the code below and paste it inside the content box.
Save the gadget.
Drag the gadget and reposition it under Blog Posts gadget.
Click Save button (top right hand corner).

Download here: http://pastebin.com/P5izLtL6