It comes as no surprise that the phrase "lighting is everything" is commonly heard in the world of interior design. No matter how lovely a home is, how stylish or well arranged a living room, if the lighting leaves something to be desired, all that charm can quickly lose its luster. During daylight hours a lamp serves as an accessory to a room much in the way jewelry is to an outfit, but when night falls and the lamps turn on, we rely on them to create ambiance. Thoughtfully arranging lamps around a room to give a soft glow in the outer corners and more direct light where needed can make all the difference. Here are 10 options that are affordable and attractive.