Well, I walked into my family home today and when I  saw the family room wall it made me smile.  We have a full wall of 8x10 Senior pictures of all the children in the family. Also, 5x7 framed yearly pictures of the grandchildren. For those who have already married we have wedding portraits.  In the center is a 18x20 family picture with everyone. I'm the youngest and living in Provo, so my parents say that the pictures make them feel like everyone is still home and they get to see us all everyday.  I think all of us get a warm feeling when we come home and see everyone's smiling faces hangin' on the wall! 
Pictures have a great way of communicating, hence pictures are used to advertise, allure, frighten, comfort, and "feel" ( good or bad).  I was glad for the "feel good"  moment in my home.