I have the ram headrest mount.. let me dig up a pic, actually found the auction i bought it from..
http://www.ebay.com/itm/RAM-Headrest...#ht_1036wt_822
Because the ram mount is customize, you can get the headrest mount with an iphone holder like here
http://www.sportys.com/source/images/jQzoom/16243.jpg
I have mine hook up to a quick release that holds my contour and drift hd and it gives you the view that your looking for. Ill upload a sample video when I get home