Spartan, I think oneshot wants a fresh grave but without leaving an actual mound of dirt on the lawn.
I put a garbage bag down and then dump a bag of peat moss on it. Makes a great fresh grave but if it is out for a month you'll have a dead patch in your yard. After it is over, I just rake the peat down into the grass.
I might have used 2 bags on this one. I don't remember.
Some people use a towel that has some dirt adhered to it some kind of way.
You could try the newspaper and see if it works.