Public Service Announcement time. As the kids head back to school, it’s time to start thinking about school pictures, those immortal reminders of the dorkiest day of your awkward childhood. I call them immortal because they come in packs of 5 million, to assure the images will be floating around in the albums of friends, family and strangers long into your dotage – when you’ll still be recognizable by some family historian in spite of a pimple the size of a grapefruit or a cowlick which defies gravity.