Cambiar dimensiones o localización de frame
CGRect frame = self.vwClientLogo.frame;
if (UIInterfaceOrientationIsLandscape(self.interfaceOrientation)){
frame.size.height = 165;
} else {
frame.size.height = 283;
}
frame.origin.y = self.vwLogin.frame.origin.y + self.vwLogin.frame.size.height;
self.vwClientLogo.frame = frame;