Not as subtle as I'd like, but indeed, 'The End of Photography as Proof of Anything At All'! (Quoting _The Transparent Society_, folks!)
http://news.ninemsn.com.au/article.aspx?id=591496 If they'd used the 'sympathetic'/gentle touch i.e. of a makeup artist (in terms of their photoshop tomfoolery) perhaps they would not have been caught?