Adhesive Magnetic Display Photo Frame Reusable Black For Living Room, Bedroom, Office Wall/Door/Refrigerator/Restaurant/Super Market Display.  These are so much fun and easy!  Stud Finder is not needed!
 
This is a great option for multiple uses: Paintings, art, office presentations, break room rules, AirBnB rental rules, and children's artwork, it looks PURRfect and professional.   easy to change out and change pictures if you desire.  Everyone loves these and they sell FAST!  
 
Instructions are in the picture section.