How to edit a title photo in Photos slideshow?
OK I can click on the opening slide and make it a title but the text comes in one spot on the photo and I want to move it, higher or lower.
iMac 27″, macOS 11.7
Question marked as
You can only change the format of the title slide by using a different theme.
When I want custom titles in my slideshows I am duplicating the image and annotate the copy with the Markup tool, see
Use Markup to write or draw on a photo in Photos on Mac – Apple Support (UK).
Then I use the annotated copy in the slideshow.
For example: