We have temporary issues with Instagram OAuth. If you will receive an error saying
Something went wrong. Please try again or contact us.
when you try to login to fetch your pictures, than you are affected.
We already contacted Instagram on that case and we are waiting for the reply.
If you already authorised our app in the past, simply type your username into “Username” field, without clicking the button “Log in”. Then click preview, you should get the pictures for your user.