Its easy to post things saved to your computer.That one is in pictures on mine.First,type in the text you want.Scroll down to manage attchments and click that.A box will open up.Click on the browse button and your pictures will open.Right click the picture you want to post,then click open or select.Go back to the other box and click upload.You will see the file name when its done.Then close that box and click submit reply.