Download FaceBookList (0.2)
by Guillermo Rauch | http://devthought.com/textboxlist-meets-autocompletion/
If you used Facebook on a regularly basis, you’ve probably come across their cool autocomplete method of adding multiple recipients to messages.
Download FaceBox (1.1)
by Bert Ramakers | http://www.bertramakers.com/moolabs/facebox.php
It behaves like the pop-up windows of Facebook, and can display images, Flash, html, ...