the image gallery in this post does not render correctly

[GeorgeWL]

I assumed it would expand the images so they're visible, but instead it has them as they look unexpanded

https://www.tpmblr.com/capnsoapy/824750860384993280 / https://www.tumblr.com/capnsoapy/824750860384993280

Screenshot: https://i.postimg.cc/rwTGnqGf/https-www-tumblr-com-capnsoapy-824750860384993280.jpg