How to attach a image or post a image

Click on "Add File" at the bottom of the thread message box

Which opens a box where you select the file(picture) you wish to upload.

The site will now attach the image to the post but as a thumbnail at the bottom.

If you wish to have the picture posted into the thread with a image.

Click on insert button and it will insert the image into the post 

By pressing insert button you image will look like this 

Not pressing the insert button the image will be attached at the bottom and not inserted into the thread.