Dev Shed - Talking The Talk
Contains a tutorial on installing and using the software.
phpBBInstalls.com
Contains installation services for phpBB and modifications.
Setting up a Linux server to run phpBB
Contains a tutorial for installing Apache, PHP, and MySQL with the intention of running a forum.
Sitepoint - Build a phpBB Forum in 5 Steps
Offers an installation tutorial aimed at non-programmers.