A good idea for a small bathroom, under hanging shelves for things like cotton balls, cotton swabs, etc. Also great in the kitchen, for a spice rack over the stove. Just hang jars from bottom of the cabinet.
Lighting made from repurposed glassware: use this link for inspiration. CAUTION if you DIY this project, please make sure your lamp is sturdy and in a spot where if it falls, it won't shatter and harm children or animals.