Sister Boyack has a great talk on Silent Teaching--She was at the BYU Education Week in 07 and she has a couple books out as well. She taught about the effect pictures have on our lives, even if we never say a word! I have tried to incorporate that into my life and I know it helps me. We have a Families are Forever, that has a picture of Christ in one corner and The Proclamation of the Family on the other. It is probably in the most prominant place. We also have signs like "Missionaries in Training" and "Teach the Gospel-Use words if necessary! in areas where the teenagers are! Especially the KITCHEN
We have a couple of pics of the Temple and one of Jesus Christ. I wonder though why the chapels have so many pics of Prophets and past Prophets but you hardly see any portraits of the Savior?