In reply to jon:
> I'm sorry Alan, I don't understand. The big full page images are as sharp as a pin. The small ones are really terrible. How can this be a problem with my monitor?
Don't understand what you mean here. All the photos look fine for me and they are all pretty big.
Pages 2, 3, 5, 6, 7, 9, 11, 13, and 16 all have slightly smaller than full-screen photos on them but I can't see anything wrong with them here.
Alan