There are many different materials that will work and they all end up serving the same purposes.
Black Tissue paper (commonly used for 40th, 50th, 60th birthday party gift wrappings) the nice thing about this is that it looks pretty good when finished without the need for spray paint.

all purpose rubber cements and a simple brush

and a finished product. ( I know....I got into a pinch this weekend and I ran out of time. I will add "work in progress" pics later this week!)

the hole/tear was ~2" long
