I've listed 25 different tarp shelter designs to help you get started. Each configuration has its pros and cons and there isn't really a perfect design for all occasions. You'll have to chose the right one depending on your situation.
"So this is my life. And I want you to know that I am both happy and sad, and I'm still trying to figure out how that could be." I have never read the book nor seen the movie The Perks of Being a Wallflower.