simple ken burns

    [UIView animateWithDuration:40.0f
                          delay:0.0f
                        options:
     UIViewAnimationOptionCurveLinear |
     UIViewAnimationOptionAutoreverse |
     UIViewAnimationOptionRepeat
                     animations:^{
                         [UIView setAnimationRepeatCount:10];
                         CGAffineTransform moveRight = CGAffineTransformMakeTranslation(20, -100);
                         CGAffineTransform zoomIn = CGAffineTransformMakeScale(1.5, 1.5);
                         CGAffineTransform transform = CGAffineTransformConcat(zoomIn, moveRight);
                         imageView.transform = transform;
                     } completion:nil];