Personally, I've always wanted a barn wedding with this kind of ceiling, but you know what! I'm just posting this because its pretty because I could never afford all of the beautiful things in this room
DIY Water & Oil Candle - uses floating candle wicks. Just add water & pebbles, float a layer of cooking oil and add floating wick. The site sells these wicks, but you can find them at Hobby Lobby and other craft stores as well.