How to Make a Giant Peg Board (craft room)
Shoe box + toilet paper tubes (and/or paper towel tube pieces) = storage for pens and other office/art supplies. This website also has additional paper towel/toilet paper tube project ideas.
How To Store and Organize Art Supplies: Quick
Little Colorado Toy Organizer with Casters - Natural Finish
IKEA Expedit shelves - How to organize art supplies
Paint organization - could probably use something similar to a "key leash" so that it is more convenient. Just squirt out your paint and go!
Keurig cup carousel repurposed for art supplies storage, craft rooms
Use one of those cheap, plastic drawer sets to organize gift bags and other wrapping supplies.
✦ Paint tube storage board using small bull dog clips - could use peg board instead to hang them on ✦✦