Uploading image makes it black (not darker!)

[elberet (Jens Maier)]

And here we are:

https://gist.github.com/Elberet/f3947aa6e56395d47f17

Edit: yeah, no, I’m not touching the Dockerfile. You guys can integrate that in there. For testing, I’ve hacked the launcher and had it run this script just before pups.