i am making snowflakes on line on these
Snow flake making web sites.

These first 2 you can save and send (e-mail)

http://snowflakes.barkleyus.com/
make-a-flake

http://www.popularfront.com/snowdays/
this one you can make curved lines easier.

This one is 3-d and animated--kaleidoscope
http://www.zefrank.com/snowflake/