I found a large canvas someone tossed. I removed the original painting (It was pretty trashy. I think it was silkscreened on because it came off in a huge peeling mass of soggy acrylic paint that ended up looking and feeling like a slimy glob of snot on the ground LOL)
Anyway.. I have a large 2 1/2 by 3 foot white canvas... nada is on it yet.