Howtoforge published a guide about installing the Lighttpd webserver with PHP5 and MySQL support on Debian GNU/Linux 4.0

Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you can install Lighttpd on a Debian Etch server with PHP5 support (through FastCGI) and MySQL support.

Installing Lighttpd With PHP5 And MySQL Support On Debian Etch