The image was obvious to me a AdobeRGB image due to its lack of contrast I commonly see posted. I am assuming you have a Mac and not a PC. The majority of people viewing your image anywhere on the web will have PCs. On the Mac, all software is automatically color space aware (that includes the browsers) so it will show properly with the correct colors you see. However, on PCs only software specifically written to be color space aware will see the image correctly (like Photoshop and many of todays modern photo viewing software.) However, IE on the PCs is not color space aware. So even though you embedded the AdobeRGB color space in the image, our browser assumes its sRGB and shows it with that color space. The result is a dull none contrasty image. With all that being said, you should convert to the sRGB color space before saving as jpg so it will look correct to everyone on all computers.
Now if you have a PC, open IE and keep the image open. Now open the image in Photoshop (or whatever you use to manipulate the image). You should see the colors look different.
With all that being said... The image is a little less than 1 stop underexposed also [img]/ubbthreads/images/graemlins/smile.gif[/img]
Also, I would have turned her head a little bit to camera left and had her still looking at the camera. This way you would have lit the short side of her face and thus slimmed it out a bit. With her big hair (I like her hair), to me, it makes her head look bigger than it is. See an example on my attached picture.