Geogebra snowing
This version has 40 images. It may be slow depending on your processor. Here is another version with only 20 images that runs faster online:
https://www.geogebra.org/m/cq7wbcqf
And here is another version with a fractal tree:
https://www.geogebra.org/m/wv87ywk9
Enjoy!