I'm sorry for terrible text: i've hand written it on paper and scanned, and my hand-writing is even worse than collage making. Snow decorations created with my snowflake brushes for Adobe Photoshop. Hope that i'll create something better for next Christmas!
ZIP archive with all 6 cards on Google Drive.
Prints available at RedBubble.com: card 1, card 2, card 3, card 4, card 5, card 6.
Snowflake picture: Christmas card 1 (2992 x 1995)
Snowflake picture: Christmas card 2 (2984 x 1989)
Snowflake picture: Christmas card 3 (2904 x 1936)
Snowflake picture: Christmas card 4 (2952 x 1968)
Snowflake picture: Christmas card 5 (2936 x 1957)
If you want to see more snowflakes, you can browse through all snowflake pictures.
Here you'll find snowflake photo wallpapers in numerous resolutions and screen proportions, up to Ultra HD 4K.
And here is article about snowflake macro photography.