fpdf! help!

[eluser]husni[/eluser]
hey..anyone can give me simple hello world generate in pdf using fpdf in CodeIgniter??
i got really hard time to find the way to load the class and use its code..
please help me..

i got the fpdf.php.. where should i put this file?? in what directory?
is there any more file that i must put in CI?? what file and where to put..