LetSnow Flash Component Info LetSnow Flash Component is a standard extension for Adobe Flash CS3. You simply install the MXP file and then you just drag & drop the extension from the Components panel onto the scene of your movie. The component can be used in a movie with any structure. You can control the component to create snow effect. Component Features We have built our component to be easily customizable and easy to use. You can set the size of the snowflakes, the power of the wind, the amount of gravity, and many other parameters.