Excellent authors avoid writing cliches. The problem is that some of these very authors do not apply the same level of vigilance when it comes to taking promotional photographs, whether they're for magazine profiles or back-of-the-book biographies. In an attempt to look uniquely profound yet accessible, or convey some novel combination of deep thoughts with good times, a lot of writers end up looking exactly the same as their peers. It doesn't matter if the authors are well-established or just scheduling their first panel discussion -- all are susceptible to producing hackneyed images.
Bad Author Photos: Why Can't These Great Writers Avoid Portrait Cliches?