//Configure below to change URL path to the snow image
var snowsrc="http://corvette.clan.su/raznoe/snow.gif"
// Configure below to change number of snow to render
var no = 30;
// Configure whether snow should disappear after x seconds (0=never):
var hidesnowtime = 0;
// Configure how much snow should drop down before fading ("windowheight" or "pageheight")
var snowdistance = "pageheight";

///////////Stop Config//////////////////////////////////

Незнаю, правильна ли верхняя и нижняя строка, но то что по середине - точно снег