The images which you are using for slider and innarpage banner is not loading properly.
Please re-upload the images for slider and innerpage banner.
Go to the Appearance -> Theme Options -> homepage Slider -> Slider Image -> upload new image
Use the images which is uploaded on your website http://www.numberoneweb.co.uk/
To change the footer menu color
Go to the Appearance -> Theme Options -> Basic Settings -> Font Colors -> Select font color for footer title
Please check the documentation to customize the theme
If you are still getting any problem, please send WordPress admin login details for temporary at email@example.com so we can check and assist you quickly.