http://www.homeschoolspot.com/showthread.php?t=1461 This may help? Or search around the Questions and Tips Forum. I think you do have to have so many posts before you are able to do the extras It's normally in your User CP, top left of screen.
the picture has to fit a certian criteria too so many pixels and size matters.------ I do see you are over 50 posts so try a gain. I'm not very helpful becuase I had to have my dh fix mine, I am not good with the digital pictures.