My HH hex fly accidently got left in my sister car today. She lives 3 hours away in Alpharetta, GA and I have a camping trip planned and we are leaving Friday morning. I could drive down to my sisters tomorrow and pick it up, but first can anyone suggest a tarp I can purchase at Wal-mart that will work in an emergency. Can you even attach one of the cheap blue tarps to a HH expedition? We have a 20% chance of rain in the forcast and I don't want to go without one. I don't want to cancel the trip, but can't go without a tarp. Thanks!!