Regular rope will also work to hang the tarp or for other tasks. Use a short rope to hang a roll of paper towels from a tree or a slightly longer rope as a clothesline.
Use clear plastic bins as storage for dry food ingredients, a makeshift cooler, or a laundry basket. They can also be used to store your camping supplies at home.
A mesh pop-up laundry basket provides your clothes with airflow and keeps smells from intensifying while waiting to be washed, which is handy near campfires and mud.