custom UINavigationBar

gistfile1.m

    UIImage *backgroundImage = [UIImage imageNamed:@"UI_navbar.png"];
    [[UINavigationBar appearance] setBackgroundImage:backgroundImage 
                                       forBarMetrics:UIBarMetricsDefault];    
    UIImage *backButton = [[UIImage imageNamed:@"UI_backbutton.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0,0,0,0)];
    [[UIBarButtonItem appearance] setBackButtonBackgroundImage:backButton forState:UIControlStateNormal 
                                                    barMetrics:UIBarMetricsDefault];
    [[UIBarButtonItem appearance] setBackButtonBackgroundImage:backButton forState:UIControlStateHighlighted 
                                                    barMetrics:UIBarMetricsDefault];
    [[UINavigationBar appearance] setTitleTextAttributes:
     [NSDictionary dictionaryWithObjectsAndKeys:
      [UIColor clearColor], UITextAttributeTextColor, 
      [UIColor clearColor], UITextAttributeTextShadowColor, 
      [NSValue valueWithUIOffset:UIOffsetMake(0, 0)], UITextAttributeTextShadowOffset, 
      [UIFont fontWithName:@"Verdana-Bold" size:16], UITextAttributeFont, 
      nil]];