On Wed, 13 Oct 2010 08:19:14 -0400, "Stormin Mormon"
wrote:

The roof needs some slope (others have mentioned).

Blue tarp? Or maybe green tarp? Larger than the cathouse. Nail or
staple along the side, use a razor knife to cut the tarp to shape.

That's likey what I'm going to do. Probably brown to blend in with the
location. Staple it. It doesn't get much easier than that.