"Soup can, cookie sheet, magents & hot glue gun" Great idea for the kids' room so they can find their art supplies better and easier. Could have this in the kids' room or in a central location in the house.
Measurement conversion chart and labeled measuring cup holder for your cabinets doors. (I did this and every time I opened the cabinet, the cups would SMACK the door loudly. It would do better just in a cabinet and not on the door.
Hang a pot rack or pegboard. Take storage into your own hands. Hanging a pot rack or pegboard is usually well within the scope of renters' rights, and they can open up much more storage in the kitchen. Look for inexpensive racks on Craigslist and at IKEA.
**DIY** I normally don't bother with pins that I have to scroll through to see everything; I'm a one-at-a-time kind of Gal. However, this caught my eye, and it has some great tips. Innovative Kitchen Organization and Storage DIY Projects -