on the top of the 'comment box' where you type your message- there is a line of thumbnails- fonts, bold, italic, underline...ect...along the line- you come to the smilies---then link, unlink, INSERT IMAGE (a tree), insert video, wrap, and spell check-
click on THE TREE- INSERT IMAGE-
a box will come up allowing you to browse- locate your picture- click on it- then click on upload (under the box) WAIT for it to upload- you will know when it is done- a small image will appear in the dialog box- you can then add additional text- then click on post quick reply- your message & picture will post,