I like this for my office! Dump A Day 24 Amazing Uses For Old Pallets! Ok, it's not technically re-purposed decor for and event. but it gives you an idea on how to use old pallets in for your new decor!
A cheap and quick way to separate space in a studio apartment - use pallets and a sheet of wood over the top to create a designated living room area. Also use planks from pallet to create a wooden wall to further create a sense of a separate space.