Here is my first post about FakeSmile.
You will find more information about it on this page.
If you are a developer, here is the source code and the development progress.
This project started in mid February 2008.
You might also be interested by these projects :
http://vectoreal.com/smilscript/ (or the equivalent extension : http://schepers.cc/grafox/)
- Daniel Holbert is working on the Firefox patch (see bug comments)
- For Timesheets, see also this script.