If you have a family photo gallery wall dream like I did, it's important to think long-term about the details, including what photos to frame, what kind of frames to use, and where to hang them.

Among the Ashley Longshore art the couple collects, is this chair (left), which is stuffed with more than $500,000 in shredded currency from the US Mint. “The Brownhill Family Portrait,” $30,000 ...

Hubert Neumann with his youngest daughter, Melissa, at the family’s Upper West Side townhouse, where art adorns the space. (For a full list of works pictured, see the bottom of this article.) ...

What if that wall has paneling or wallpaper on it? No problem. In Ms. Wearstler’s family room, she decided to hang art on a paneled wall above the sofa. Consider the light in the room, too.