I was up until 2:30 this morning putting pictures in slides, I'm not taking them out without good reason. Perhaps once I have more sleep I'll reconsider and change my mind, but at the moment they seem to have a purpose to me, if only to convey a particular emotion or remind people of the earlier slides which connect to the current ones.
I'll definitely rework the behind the scenes slide. I don't think that I'll quite go with your idea, if only because I don't have a store of clip art I could use to draw that picture. But I will try to find a way to make that slide do more to justify its existence.