This is simple (but nice) animation of changing numbers from 9 to 1. I made it
when I needed opening scene to my Scala presentation, you may do the same.
This animation is public domain.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]               100664  324362  31.0% -lh5- e3b1 Oct  2  1980 Countdown.anim
[generic]                 1204    1995  60.4% -lh5- e3b1 Oct  3  1980 Countdown.anim.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         2 files  101868  326357  31.2%            Oct 13  1997