http://wordpress.org/plugins/countdown-clock/screenshots/
http://wordpress.org/plugins/kkprogressbar/screenshots/
http://wordpress.org/plugins/uji-countdown/screenshots/
http://wordpress.org/plugins/jquery-t-countdown-widget/screenshots/
http://plugins.twinpictures.de/plugins/t-minus-countdown/
https://wordpress.org/plugins/wp-countdown-timer/