phpGreetCards

phpGreetCards is a full featured, completely automated Web Application that
allows your website visitors to have fun creating and sending electronic
Postcards to their family and friends. Features include ability to add
unlimited categories; user to upload their own image; preview page before
sending; user selectable font face, color, background color, stamp image;
easy installation with the help of user-friendly installation wizard;
translatable into any language; fully customizable HTML; all pages are
generated dynamically from a few easy to edit templates; advanced Admin
Panel; automatic deletion of old cards; bad word filter and more.