From the Insert Blocks button menu, underneath the editor bar, all I can see is:
[Banner] [Text-Image] [Image-Text] [Image-Floating] [Big Message] [Text Block] [Title] [Features] [Big Picture] [Three Columns]
Odoo is the world's easiest all-in-one management software.
It includes hundreds of business apps:
From the Insert Blocks button menu, underneath the editor bar, all I can see is:
[Banner] [Text-Image] [Image-Text] [Image-Floating] [Big Message] [Text Block] [Title] [Features] [Big Picture] [Three Columns]
The menus are there, but I had changed the default theme to, "Readable." The background color is almost the same as the text.
There is another set of choices immediatley to the left of the [Banner] selection:
[Structure] [Banner] [Text-Image] [Image-Text] [Image-Floating] [Big Message] [...] [...] [...]
[Content]
[Features] <-- This is the menu to choose to be able to select the image gallery block.
[Effects]
I have images I can post as soon as I earn the Karma.