first I thought of this because my moms cat died and she wanted me to bury it in the backyard and I didnt want to touch it well when I was hi I thought of a PVC tube with a spike on the end that you put your dead pet in and drive into the ground - there is a flag or something on the top that you use as a gravestone also this can be dug up and moved to another house if you are one of those crazy people like my mom who thinks that when something dies there is a point to keep the carcass around anyways I thought of this and never did anything about it - about a year latter I saw the same thing in the back of a magazine