Only one picture in sitemap from many in web site

[yunque21]

Hello
I have a web site with many pictures (this moment about 100) and the sitemap scans only one.I have separate xml file for images_sitemap but i don't understand why not submit more.

[XML-Sitemaps Support]

Hello,

could you please PM me your generator URL and an example URL that is not included in sitemap and how it can be reached starting from homepage?