» How do I change the image instead of snowflakes?
C5 Extras > Support > Knowledge Base > Snowflakes > How do I change the image instead of snowflakes?

This is possible but it has to be done manually. You need go through the files and change it, the images should be found in this path by default

concrete5_root/packages/jb_snow/blocks/jb_snow/images/snowflake/

Make sure to retain the same extension and filename.