along the top of your (comment box) is a line of thumbails- fonts, bold, italic, underline...ect===along the line are the smiley's then link, unlink, insert image (a tree), insert video, wrap and spell check-
click on the tree (insert image)
a box will come up for you to 'browse' locate your picture & click on it- then click on upload image (under the box) wait-
when it is uploaded you will see it- you can then go add more text or you can simply click on the post box - then it will post your comment & picture.