I HAVE BEEN TRYING FOREVER TO FIX OUR THUMBNAILS. I HAVE EVEN TRIED TO CREATE A NEW PROJECT, BUT IT DOES NOT WORK ONCE I CHANGE THE PICTURE FROM THE HEADER, IT KEEPS THE ORIGINAL PICTURE I HAD SELECTED. THIS PROBLEM IS RELVANT FOR US SINCE THE LINK DOES NOT SHARE PROPERLY ON OUR SOCIAL MEDIA PLATFORMS. AS SHOWN IN THE SCREENSHOT, THE SEPTEMBER AND THE SUMMER NEWSLETTER BOTH HAVE DIFFERENT HEADERS, BUT THEY DO NOT POPULATE CORRECTLY. WE CANNOT BE SHARING OUR NEWSLETTERS AND ALL OF THEM LOOK THEY HAVE THE SMAE HEADER.