Hidden cork board for recipes, shopping lists, etc. More ways to hide the messy stuff - I love it! Can do more than one cupboard this way. Another idea: paint the inside of a cabinet door with chalkboard paint for grocery list, or pantry contents.
Plastic lattice works well for storing long lengths of miscellaneous pipe, trim, flashing and conduit. Just cut matching pieces, then screw cleats to the ceiling and screw the lattice to the wall studs and cleats. Or fishing poles?