Picture of a Mini Ghost

We recently received this strange picture, which we have dubbed the "mini ghost" picture - sort of like "Mini Me" from the Austin Powers movies! Take a look...what do you see? It almost looks like a ball of paper thrown up in the air...

"...this is me and my little sister. We were just outside playing, and my mom suggested we take a picture. When we got it out, we saw a strange figure on the top right of the picture; so I'm guessing it's a ghost..."