Hm, very odd that the type wasn't detected properly. The animated GIF issue is because of EXIF stripping ruining the image, though. I'm fixing that now.

He threw it together in 2 days according to what's written on the website.

It literally has no semblance of trying to be a long term long running replacement to imgur. Just a dead simple image upload service that works from the CLI.

I did throw it together in two days, two years ago! I don't know why this image failed, when I tried it it worked. Animated GIFs were failing because I don't use them so I'd never tested on them. It's fixed now, though.