This is a vaginal u/s, so from everything I have read, it would be flipped. Based on my understanding of the theory, this looks like baby is on the right side of the picture (which would be left side of the uterus) so I'm guessing girl....?
http://i428.photobucket.com/albums/q...psabf817e6.jpg
http://i428.photobucket.com/albums/q...psceb3e94b.jpg