@interface SomeViewController : UIViewController
{
  UIImageView *imgView;
}

imgView = [[UIImageView alloc] initWithFrame:[[UIScreen mainScreen]
applicationFrame]];
[imgView setImage:[UIImage imageNamed:@"someimage.png"]];
[self addSubview:imgView];
[imgView release];

- (void) dealloc
{
  [imgView release];
  [super dealloc];

}

@interface SomeViewController : UIViewController
{
    UIImageView *imgView;
}
@property (nonatomic, retain) UIImageView *imgView;

@synthesize imgView;

//Create a new image view object and store it in a local variable (retain count 1)
UIImageView *newImgView = [[UIImageView alloc] initWithFrame:self.view.bounds];
newImgView.image = [UIImage imageNamed:@"someimage.png"];

//Use our property to store our new image view as an instance variable,
//if an old value of imgView exists, it will be released by generated method,
//and our newImgView gets retained (retain count 2)
self.imgView = newImgView;

//Release local variable, since the new UIImageView is safely stored in the
//imgView instance variable. (retain count 1)
[newImgView release];

//Add the new imgView to main view, it's retain count will be incremented,
//and the UIImageView will remain in memory until it is released by both the
//main view and this controller. (retain count 2)
[self.view addSubview:self.imgView];

- (void) dealloc
{
    [imgView release];
    [super dealloc];
}

self.imgView = [[UIImageView alloc] initWithFrame:[[UIScreen mainScreen]