I think everyone uses imgur. I've seen 1-2 people use attachments in the last 5 years lol. BUT, it looks like the image plugin is being tested. It's at the top right the same place the attachment button was.
Just wondering why I can no longer add attachments to my posts.
I'm experimenting with different features. The next step is going to be to either code an attachment button to appear in the quick reply or code a button that'll make the image uploader work in the quick reply so that we can save on ad-free clicks.
So for now, you may see the button go back and forth between "add attachment" and "add image."
Almost no one sees to use either one though. Even with one or both enabled, everyone seems to use Imgur. It saves the forum money.