Somehow my sitemap has been saved and is visible from your server:

http://www.microsystools.com/support/sitemaps/sitemap-def.xml

Could you delete it please?

Thanks for confirming.

Hereby deleted. Thought I had blocked my support folder in robots.txt

Guess not Will do that as well now

By the way, how did the image sitemaps additions work out? If you have more feature requests, let me know