I collect GameBoy Advance games, and I post about them on Imgur. So I’m going to test Imgur links now. 
Blockquote https://imgur.com/gallery/BnARm
Not quite as useful as the Instagram embedding, hrm!
Testing imgur embed codes:
Printed Custom Boxart for Game Boy Advance and DS Games
EDIT: Not especially useful this way either.
EDIT2: Direct link to image, ie. not an album:
EDIT 3: Seems like the width gets capped. Interesting!