I just created a couple of blank layers and used a white brush. Then after I had painted the rough outlines of the snow I filled in the centre and then added the lighter blue around the edges using the airbrush tool. Then by altering the order of the layers and using the eraser tool I removed the snow from areas that I didn’t want it and it left the balls and text looking like it was in the middle of the snow. In total there was 6 layers added for the settled snow and two more for the falling snow. These are in addition to the many layers that are present in the ‘standard Pixalo logo’
Hopefully that helps but shout if you need more detail.
