Thanks @thot, your work is now online:
https://www.poppy-project.org/project/marionnettes-electriques/
I think you can play with the image size in discourse <img
by specifying 'width="npx"
and it will change on the wordpress page.
It is also deployed for this project: https://www.poppy-project.org/project/mathematics-a-beautiful-elsewhere/
Mathematics: A Beautiful Elsewhere