You’re proudly hanging your first picture on your new home’s antique plaster walls. A few minutes later, it’s no longer hanging. And now you now have a bent nail, a large hole and a new diagonal crack ...

Q: We would like to hang pictures, some of them rather large, on a plaster wall. Can you tell us the best way to do this? We are afraid of cracking the plaster. A: With proper technique, hanging ...