http://graphicriver.net/item/snow-storm-action-for-photoshop/11563835
Action keeps original image untouched;
Useful for 1000px to 5000px width images;
Fully structured PSD-file;
8-direction lights for 4 image resolutions + 4-direction backlights;
9 color correction layers;
Includes «Clear» action, to clear unsuitable result;
Always different results!