Mike Tittle is a professional whitewater photographer and he has created a gallery on WetDawg.com. You can view his photos at the link below. (Click "next" to see next photo)..
http://www.wetdawg.com/pages/photopost/showphoto.php?photo=631&password=&sort=1&cat=564&page=1
http://www.wetdawg.com/pages/photopost/showphoto.php?photo=631&password=&sort=1&cat=564&page=1