From Emphasize IT:
Unzip Emphasize Pinnwand on your php-enabled server, php or jsoline virtual market place with fancy rotated postit messages on a corkboard. Everyone may post a new message after passing a captcha
check and upload one image attached to the message. Collaborative postit-moving on the corkboard allows ordering by viewers. Moderation handled via emails, easy to configure and setup. Requires php_gd and flatfile write access. Automatic reminder and invalidation of messages after some days. No MySQL DB required.