Inexpensive craft store frames fit perfectly around light switch covers! --I like the LOOK Expensive (but not really BE expensive! -- 31 Easy DIY Upgrades That Will Make Your Home Look More Expensive--
Good idea for reach-in closets! Put up closet rods on the sides if you tend to have access issues. I just did this to my own closet today. Now I can see my dresses in that corner! I also raised the regular bar by a foot to maximize vertical space!