Since you're defaulting to the blue theme, change flyout-menu.php array('NAME' => 'blue', 'SHADE_IMAGE'=> 'flyout-shade-white.gif', 'BORDER_COLOR'=> 'black', 'LINK_COLOR'=> '#336699', 'LINK_BACKGROUND'=> 'white', 'HOVER_COLOR' => 'white', 'HOVER_BACKGROUND' => '#3173B1',), # blue
to array('NAME' => 'blue', 'SHADE_IMAGE'=> 'flyout-shade-white.gif', 'BORDER_COLOR'=> 'black', 'LINK_COLOR'=> 'white', 'LINK_BACKGROUND'=> 'white', 'HOVER_COLOR' => 'white', 'HOVER_BACKGROUND' => '#3173B1',), # blue