How do I replace the headliner on the sunroof panel?

[Joey Link]

I need to replace the headliner on the sunroof panel, as there's a hole in it. The rest of the headliner is fine. How difficult is it to replace it, and where can I find a replacement?

[Garageaholic]

Pulled from back in the day

http://www.r3vlimited.com/board/showthread.php?t=47214&highlight=Headliner

[Joey Link]

I found that thread when I searched but I couldn't manage to find the information on how to do it :(