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--
DIY Balloon Luminaries - Fill small balloon with water. Dip repeatedly in melted paraffin wax. When set, carefully pop balloon. Place tea light inside and light. These melt a bit with real candles, so try battery tea lights!