Great idea for hiding the TV could work in any decor Fireplace or not! A sliding wall above the fireplace (a ventless model from Hearth Cabinet) conceals the television. Hide the TV in a variation on this theme?
Use foil tape to make a statement wall. Get the tutorial via Kara Paslay Designs. You can get foil tape at your local Home Depot
Grey living room - False Creek Condo by After Design