Nia - I think I have seen a bit of banter back and forth between you and Zee. At that time it appeared you were trying to "upload" pictures that were actually on facebook or another system.
When you want to post a picture that is on another system or forum you actually are "linking" and need to use the link button.
Uploading is loading pictures from your hard drive.
In my old days I was a mod and there are at least two ways to upload photos. The "library" is attached to you account and you should be able to load photos from your hard drive to your library. Then you also have to "link" them if you want them to appear in a thread. The library in your profile acts sorta like a separate module.
The second way, which I use almost exclusively, is to use "post a reply" button - NOT the quick reply box below the thread.
The post a reply or "go advanced" button will give you access to the "manage attachments" button. This is where you can post photos directly into your reply.
The disadvantage is they are not in your library and once the thread moves on, gets buried etc. those photos go along with it. i.e. you won't see those photos in your library.
You may be having other technical issues but I thought I would explain my understanding of how the photo posting