You may get .psd* file of "Fairy Christmas night" Photoshop tutorial by making a payment. Put the tutorial title in "Add special instructions to seller" line of PayPal and it will be sent to you shortly.
- To make shadow, create the same shape but black color snowflake in the bottom layer.
- Transform shadow layer using Skew Transformation.
- Blur bottom part of the shadow using Blur Tool(Strength = 100%).
- Create others snowflake using the same actions.
- Create shiny, glitter effect with brushes from Assorted set.
And here is the result!