I can't thank you enough for your work and help in getting this to work. I am delighted with it - thank you. It's here:
I can see that I was envisaging the slideshow as one separate entity rather than three smaller exercises - so thanks for highlighting that.
This is what the Web site says: 'Now you can insert galleries with different styles into the same page':
They propose doing it using their software - I have not tested that feature as I thought I would try this first.