Disclosure indicators in Table vIew-iPhone

cell.accessoryType =  UITableViewCellAccessoryDisclosureIndicator;
    //cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
    //cell.accessoryType = UITableViewCellAccessoryCheckmark;

 return cell;

or custom image as

UIImage *indicatorImage = [UIImage imageNamed:@"indicator.png"];
        cell.accessoryView =
            [[[UIImageView alloc]
                initWithImage:indicatorImage]
            autorelease];