[Smithy]

On a couple other forums I posted on whenever you post a picture, it fits to the size of the page (i.e. it doesnt turn massive and stretch the page)

like this

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Is there anyway to have something inbuilt in the site that means if someone posted an image like that it'd automatically be posted in a decent size like

Spoiler:

then if you click the picture, it'll show you the full sized one?

Just an idea