In the bathroom: Trones boxes fit into tight corners to provide a little extra storage. These little guys can go pretty much anywhere. How To Use IKEA Trones Storage Boxes in Every Room of the House — From the Archives: Greatest Hits
I love the penny tile back there. To make "custom" glass kitchen cabinet doors, just pry off the back wood part, have a piece of glass cut at the hardware store, attach with a heavy duty clear caulk. She used penny tile on the back of the cabinet.