that would be ...

// added defines for header alt and text
define('HEADER_ALT_TEXT', 'Powered by Zen Cart :: The Art of E-Commerce [home link]');
define('HEADER_SALES_TEXT', '<h1></h1>');
define('HEADER_LOGO_WIDTH', '200px');
define('HEADER_LOGO_HEIGHT', '70px');
define('HEADER_LOGO_IMAGE', 'logo.gif');

and i tried changing the values to fit my header ... no luck