Thanks Nicolas. I installed the updated plugin, changed the image frequency and now I get this error message when I look at it in the OSMap component? (I've changed the sitename)
XML Parsing Error: no root element found
Location: https://www.sitename.com/site-map?images=1
Line Number 2, Column 608:
<?xml-stylesheet type="text/xsl" href="https://www.sitename.com/index.php?option=com_osmap&view=xsl&format=xsl&tmpl=component&layout=images&id=1"?><urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1"><url><loc><![CDATA[https://www.sitename.com/vision/qled-4k-tv/samsung-qe55q70ratxxu-55-inch-qled-4k-hdr-1000-smart-tv]]></loc><image:image>