Another silly detail that I will obsess over for hours upon hours.
There are hundreds of register covers to choose from.  Why stick with the traditional plastic brown or beige ugly thing.

Faux cast iron from Home Depot.  Just $12.50.  Easy update

Imagine all white register covers in a shabby chic girls room.  Love.

Andover Register Cover from Restoration Hardware

Unfinished Oak.  Paint any colour you like!!!