Inexpensive craft store frames fit perfectly around light switch covers! --I like the LOOK Expensive (but not really BE expensive! -- 31 Easy DIY Upgrades That Will Make Your Home Look More Expensive--
Make your own fireplace.no chimney required. Use an old mantle structure and have several candles serve as your "fire." This lovely vintage room lends itself perfectly for this idea well. White mantle and mirror, candles and lanterns.