Dick, This is on my topic list and I have had some discussion with Ellis on the subject. I think we are going to have to wait until we get a better way to inter actively view photos during the chat session. Although John's hand mirror handout worked well so we might be able to go in that direction.
I also think this is a broad enough subject that it might warrant a regular ongoing schedule of chat sessions. There will be more on this after the first of the year.