If you are trying to post a photo in your gallery, click the gallery button then the photograph. Right click on the photograph then click on properties. Right click on the Address (URL), then select all, right click again then copy, click the ok button. Close the window, and then click the back button to return to the thread. In the text message box click the “image” button and then past the Address (URL) between the tags.

Below is the photo from your gallery.