I ran across this photo in one of the Patterson albums. It is badly faded, and I can’t tell who is in the picture, but it is very clear that the Pattersons took their snowball fights very seriously.
This is one of about a thousand family photos on the site. There is no overall index of photos; you can see them by visiting the page for someone who has photos. Here are some examples of pages with recent photo additions:
I still have thousands of photos to look through; many of those will eventually make it here!