I have a simple piece of code that places a background image on the tabBar.
UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@
There is something new in iOS 5 forBarMetrics:UIBarMetricsDefault
forBarMetrics:UIBarMetricsDefault
Here is the apple doc on that
[[UINavigationBar appearance] setBackgroundImage:toolBarIMG forBarMetrics:UIBarMetricsDefault];