Make-a-snowflake image generator. Use virtual scissors to cut out your own creation from a piece of virtual paper...and no mess to clean up! Possibly the cleverest part of the whole activity is watching the computer take the "paper" and magically fold it for perfect snowflake cutting! ( Hey, simple pleasures...what can I say!)
You save them or upload to the gallery...which contains thousands and thousands of entries. That is my one contribution at the top of the post. And below is an Animoto slideshow where I pulled samples from the gallery for your viewing pleasure.