Need help install ecard system

[Leon1]

I have recently downloaded a php ecard system call gcards:

http://www.gregphoto.net/gcards/index.php

-and i want to install it for my phpbb forum, but i have no idea how to install it, i read the instruction for installation but it is not enough for a noob like me, if any one have been installed this script so it can be intergrated with phpbb forum or know how to get it done, please help me out..Thanks