snowflakes no. of snowflakes
snow_speed the speed of the snoflakes; choose a number between 0.1 and 5
snow_wind the speed of the blowing wind; choose between 0.1 and 4
the default speeds were set for a 25 fps document frame rate
adjust the speed in accordance with your document frame rate
minimum and maximum snowflake and star sizes
stop_height the height from which the snow stops falling
set it between 1 and 100 (100 represents 100% from the height of the stage)
set it to 0 if you don’t want the snow to stop
flake flake image source