I have a bathroom where the lights are not centered over the faucet/sink. How could I decorate

Or you can use some baskets .

I like canvas art because I wipe water off easily. Here's a possible scale for yours, with mirror larger than art. Art shouldn't probably be wider than the toilet. Idk if this houzz excerpt helps: "Having lighter colors at the eyeline will help a bathroom feel clean and airy, but try balancing them with a deep color lower to the ground. This adds a sense of richness that helps keep the space from feeling too stark, without making it overwhelmingly dark. Plus, it beautifully sets off classic white fixtures."

You can keep the dark wall, BUT you have to put a large modern stencil on it using the color from the other walls! I assume you did this because you wanted some punch in the room, that will give you something to look at. Options: Floral (I see you have an orchid, you could do something with orchid flowers.., Peony, Rose, Magnolia, Gardenia, Poppies, Daisies, etc..), Geometric (anything you like), Earthy (Ferns, Stand of Pines or Deciduous Trees, a solitary Oak Tree w/ acorns, etc.) whatever, but make it a large print, not a dainty old-timey one, and it has to match the theme or feel of the rest of the house! I agree, finish your electrical finishes too. I suppose if you want to go cheap and easy and builder grade you will just put a large cheap picture on that wall... but you don't need a designer to tell you to do that!