I uploaded the new header image via ftp, when it used to take effect immediately, today the header stay the same. Even though I have erased the website and browser cache, but nothing changed. Please could you help me. www.lesmininours.ca
Make sure you change this file from your ftp http://lesmininours.ca/wp-content/themes/kiddo-turf-parent/images/header_image.png
Also please check if you have an active cache plugin in your site. If you have one, you should clear your cache in your site, not in your browser.