og:image for gallery index and news?

ventesites

hello
with the html plugin the opengraph works fine but not for index pages.
how can i setup a custom image to be used in the open graph for my index pages : gallery and news?
thanks

acrylian

There is a plugin option named "site logo".

ventesites

where do i find this plugin option?
so far the only thing i found is the option to select header logo, in my extensions there is no "site logo".

fretzl

In the options of the `html_meta_tags` plugin.

ventesites

thanks!