I really like using the new "Slide Styles" to apply motion to selected slides efficiently, but I find that I go back to most of my slides to make further adjustments. Maybe you could add more options to the Slide Style "Options" list, so that they might be applied to multiple slides easily: 1). Start/end the motion: Add check box to use slide start/end or the transition keypoints. 2). Drop-Down box for Motion options of Linear/Smooth, etc., for Zoom and maybe others. Instead of writing a thousand words about this, I have attached a mock-up picture of my ideas.
