I have those foam tombstones you can buy at Party City. I gave up on the wire things that come with them. They didn't work. So I got bamboo stakes and used duct tape to adhere the stakes to the tombstones. But in the Texas heat, the tape keeps falling off. What do you all suggest for keeping your tombstones up in your yard? Or more specifically, how can I adhere stakes to foam permanently? Would there be a glue that would work? Thanks so much.