this - as a very part time / hobby photographer I found taking a photo of a key element in the room better. For instance, we got some fancy "hand painted" dish on a vacation in Morocco and we use it on our kitchen island. I tossed some oranges/lemons/limes in the bowl and took a photo, done....For the master bathroom I put the purple LED lights on in the shower (its a steam shower and has colored lights) and took a photo of the shower stall with the door closed right after a steam so the glass is frosted, the lights on are behind with a cool glow, etc. For the garage you could even use a stock photo of your car(s) or something. In the gym I took a photo of two dumbbells laying on the floor, etc. Another idea, if you have a pet, take a photo of them on a couch or in a bed for a specific room, etc.
Taking a photo of the room is just going to look like junk or a really bad real estate listing.