There is another photo with Krystle in it. It can be seen on Live Leak as well, 17th photo down the page. It was taken immediately the bomb went off, and before the crown control fences have been removed. At the moment of that shot, she appears to still be alive, as her head is lifted off the ground and her left arm is holding on to her friend next to her. It breaks my heart to know that help just couldn't get there fast enough, especially with that amount of blood loss.
This photo also contains the legs and feet of another child, barefoot, who appears to have been being toted by her mother in brown leather boots. Possibly 6-7 years old. I have wondered if this is Martin's sister. There is another photo from another site that I just cannot pin down at this moment that shows them from another angle.