Just in time for summer.
http://minus.com/mkpYvxt7yThere is no kill script included.
To stop the program:
If the program is run in a terminal, Ctrl-C to close.
If the program is run with some "run":
From a terminal:
"ps ax" to find the pid --> "kill pidnumber" or "kill -9 pidnumber"
or
"killall xsnow"