Hang some DIY crates on the area over the toilet to add some decor. The dried beach dahlias in tiny bubble vases, mason jars filled with candles & bath salts, some driftwood, and a few starfish & shells make your bathroom super fantastic.
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!
Fold-Up Pallet Desk - 21 Creative DIY Upcycle Projects - MY twist on this for my room that I have to double as a craft room. Id use a smaller upper portion, just to display pictures, and have the lower part to still come down into a desk.