I'm creating new responsive Wordpress theme. I've been in developing process since last October and this is my bachleor thesis at school, but I'm still maybe under advanced in my skills.

How do I get customable Wordpress theme header image with text inside the image? For ie. Site title in the header image. I read about using add_theme_support( 'custom-header' ); but I can't get it to work.

Point would be that my customer got to option for change the company's header image later if needed.

I'm creating new responsive theme.

How do I get customable theme header image with text inside the image? For ie. Site title in the header image. I read about using add_theme_support( 'custom-header' ); but I can't get it to work.

Point would be that my customer got to option for change the company's header image later if needed.