A penny saved could be a penny floor. You can make a tile wall or combine with concrete to make stepping stones in garden. Check out the finished wall, amazing! (and cheap to make) Click the link to find out how to make.
Faux tin tiles from Lowe's or Home Depot sprayed with coordinating colors for a cheap accent wall. I love the idea of this as both an accent wall or as a ceiling in a turn-of-the-last century room that originally had tin or brass tile ceilings.