Trouble placing images in Thread name.

Whenever I make a new topic, I can't seem to get an image to go along with it. I'm talking about something like this https://www.fakku.net/viewtopic.php?t=22083
Why is that? Do you have to be Elite or an Elder? It just isn't working for me.

I used to have trouble with this, but then I figured out that you can't put an image, then click preview, and then post. After picking the image for your thread you have to post immediately; maybe that's the problem? Otherwise, there certainly is no restriction for putting them up there.

So THAT's why I couldn't do that. :/
This problem also bugged me but I always figured I was doing something wrong.

Ahh I completely forgot that I needed to fix the post preview. OTL

I also wondered how to put a pic on top right above the first post of the thread, so how do you do it?

Well I noticed that you couldn't post preview with a picture, because it'd just disappear. That might be why.

I'd like to be able to edit the main post and add a picture to the title. The only way you can do that is if you delete your old thread and start a new one with the picture up.