From http://www.jwz.org/xscreensaver/xscreensaver-5.40.tar.gz
[xscreensaver] / hacks / config / bouncingcow.xml
2016-10-24 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.35.tar.gz
2014-11-16 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.31.tar.gz
2013-12-09 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.24.tar.gz
2013-02-08 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.16.tar.gz
2013-02-08 Zygo Blaxellwww.jwz.org/xscreensaver/xscreensaver-5.07.tar.gz
2013-02-08 Zygo Blaxellslackware.bholcomb.com/slackware/slackware-11.0/source...
2013-02-08 Zygo Blaxellftp.ksu.edu.tw/FTP/FreeBSD/distfiles/xscreensaver-4...
2013-02-08 Zygo Blaxellftp://ftp.linux.ncsu.edu/mirror/ftp.redhat.com/pub...
2013-02-08 Zygo Blaxellmirrorservice.org/sites/master.us.finkmirrors.net/distf...