I fixed the picture for you. It's possible you used the wrong url or something.
Also, if you want someone to make a sim for you, they'll need a 3/4 view picture (the one you have is probably fine, though a little small), a profile picture (from the side), and a front-facing picture to get a good base.
You can read a bit more here:
http://www.insimenator.org/index.php/topic,6975.0.html Bigger pictures (up to 600x600 pixels, or links to bigger pictures) are preferable.