Thank you very much for your kind words!
1. You almost got it right, based on your screenshot the override is not active. Changing the Override Content ? and the Override source options will solve it: https://i.imgur.com/irbiSeY.png
2. The Coverflow or Shinkansen is a slide from right to left, the Ferris wheel is a top-down rotate animation, and the Rotate me softly is kind of a combination of corner slide and opacity.
3. Usually the content is missing whenever there are shortcodes involved. On the Content Options panel, try experimenting with the Run shortcodes in content? and the Strip shortcodes from content? options: https://i.imgur.com/NrjzOkA.png
Usually the combination on the screenshot has the best effect on missing contents.
4. Unfortunately there is no option for that.
I hope this helps!Best,
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