20 Ways to Use IKEA's RIBBA Picture Ledges All Over the House - To hold a large nail polish collection as in Lora & Frank's Fun, Modern Home on Apartment Therapy.
10 DIY Makeup Storage Ideas (Brilliant I've been looking for a good diy nail polish rack!) Also Cats Meow Houses
A great DIY for additional Bathroom Storage, a Nail Polish Shelf. Get the easy build plans here for this Nail Polish Storage Shelf.
Maggie's Makeup: Nail Polish Storage Shelves on DIY Bookshelf - Video