A few nice passport photo images I found:
Passport Photo 1978 Marilee
Image by Douglas Coulter
Passport Photo, Take Five
Image by Nancy Dunne
Think they'd go for the Mariah Carey side ponytail look? Nah...It was worth a shot, and I was starting to swallow bits of my hair running back and forth to the camera...
Passport photos take 1
Image by nahek