Joshua set up stones for the Israelites to remember all that God had done. I like this idea for altar decor. A simple pile of lovely stones could be impactful - especially if you refer to Joshua or to Samuel's stone of help "Ebenezer".
Anonymous Artist - Destiny - Art Prints of Jesus Holding Nail Spike in Joseph's Carpenter Shop. I love this painting. Baby Jesus looks just like my son when he was that age. It's a beautiful and chill inducing image.