The left hand and the right hand are 'mirror images' (of each other). = The left hand is the/a 'mirror image' of the right hand.
He's the 'mirror image' [=(more commonly) 'spitting image'] of his father. [=he looks just like his father]
She is worried about what motherhood will do to her 'image' [='reputation'] as a rock star.
(..) The cops should just lock him up forever. Did you see the look on his face? Oh. He probably had that same look whenever he killed his brother, right? Oh, God, I just got an image of him making that face while he and Nancy are screwing. Carol, for once in your life, shut your damn mouth! - What? (..)2016 TvShow: Stranger Things Title: Chapter Seven: The Bathtub Season: 1 Episode 7