the effect in house on haunted hill where the character is kind of moving rapidly back and forth,almost jittery effect,how do they do that and what do they use,i have alot of programs and a dvx100a but they also do it in gothika and silent hill and more.IF ITS A EFFECT DONE WITH THE CAMERA WHAT SETTINGS,IF ITS DONE WITH A PROGRAM IS THERE A TUTORIAL SOMEWHERE OR?THANK YOU ,PLEASE EMAIL ME AT FLIBPHOTOGRAPHY@GMAIL.COM OR CCPARAMEDIC@HOTMAIL.COM