Advanced' Photo Effects Forums

Next we'll use the magic of a Curves adjustment layer to increase the contrast and create our snowflakes.

1. Add a Curves adjustment layer above the noise layer. Layer -> New Adjustment Layer -> Curves... Group With Previous Layer
   
2. You'll see the Curves Adjustment Window. Make the "curve" look something like this:

so your noise will look like this:



Note: You can play around with the Curves Adjustment to increase or decrease the number and size of the flakes.