Unfortunately the gallery is the $10 level reward on Patreon.
Viewing post in Extracurricular Activities comments
Dyne makes a patron-only post twice a month with the link and password. If you’re at $10 then you should see two: one for the non-gallery version and one for the with-gallery version.
The most recent one is here: https://www.patreon.com/posts/update-1-112-45262115