NSFW’ing stuff isn’t a particularly y good way to hide spoilers, btw (it’s not the same as it is on Reddit)

It will (probably) blur the image for anyone who’s set their account to view NSFW, but the majority of members here just won’t see the post at all.

To the extent that spoiler tags are supported, it might be better to include images as an inline link, surrounded by spoiler tags.

Test: