You will need to install a user script manager extension to install this script.
The last imgur update made this service barely usable for image hosting. ಠ_ಠ
Now, imgur discourages us using direct links for sake of their advertisement in album page. It forces us to use post format. I don't care. I just want my direct link!
I've written this tiny script that helps me. It can help you too. Enjoy.
imgur.direct on GitHub