When you are outside at any distance from the target, particularly if it's dusky out (which it appears to be in this picture), the flash does jack-all except fo

When you are outside at any distance from the target, particularly if it's dusky out (which it appears to be in this picture), the flash does jack-all except for reflect off shiny things like eyes. That's just from my personal experience, having taken photos under similar circumstances and not being able to tell from the photo that there was a flash, even though I saw it go off.