These crates make appropriate display shelves for a beach - or rustic - look. I like that they are not crammed full, that the items are all neutral colors, and that the crates are not four-squared but slightly "off" from each other on the bottom for added interest.
To divide a large room, build a shelf out of wooden boxes.
Wood crate shelves
How to Make Fruit Crate Shoe Bench - DIY & Crafts - Handimania
Kitchen Island made from upcycled recycled wooden crates and an old door
With the Decor I have with all the vintage stuff and my love of crates this would be a MUST to add to it...Crate Storage Bookshelf bookcase.
Walmart carries these crates for $10 ea.
pallet shelf - super cool way to upcycle and create something unique for your home!