Boy ultrasound?

Can everyone drop their boy ultrasound photos and how far along you were? Here's mine from 13w1d. The tech said she was 100% sure this is a boy, but my doctor told me not to get too excited because it's so early and "things could change". I've read about boys being mistaken for girls but not the other way around. I think I'm pretty safe in thinking its a boy but wanted to see others ultrasounds.