Not that I have an empty closet, but i do like this."Closet Office" - Turn your un-used closet/reading nook into an office space. Maximize the little space with lots of shelving and storage *LIKE CORNER DESK/nook & shelving for office corner
Use Flea-Market Window Shutters Window shutters in all shapes, sizes, and colors dot flea markets. Hang a short one on the wall for organizing bills and other mail, Photos or purchase a wider one for holding magazines and catalogs.