Writing Ideas from Crazy Side of the Internet: Ghost Movie

Here are some writing prompts based off of very odd posts I found, mostly on tumblr:

Write a ghost movie set in an unexpectedly mundane location, such as Walmart or Costco. It would probably be written satirically.

Prompts: Zombie Apocalypse in Costco
Walmart's secret insane asylum
Ghosts of lost childhoods in the spinning teacup ride