Turns out pool 16196 was the substrate before adding camera effects and dialogue.

MD5 mismatch of http://pbs.twimg.com/media/EcezHQlU8AEXdLy.jpg:orig

I think I know the mismatch source. I did this on a smartphone, and I wasn’t confident there was a way to “drag” images between Twitter and Safari, so I saved the images, then posted THOSE to Danbooru. As you may have guessed, I had no idea that’s what an MD5 mismatch is.