On Tue, 30 Dec 2014, Sebastian Fischmeister <sfischme@uwaterloo.ca> wrote:
> Hi,
>
> I have an email with 8 pictures attached. When I open the email
> (notmuch-search-show-thread), some of them are opened and shown inline,
> others are not.
>
> It seems that notmuch only shows the ones that fit on the screen
> depending on how much space emacs has. E.g., the ones with a size of
> 800x600 are usually displayed in full-screen mode but not the ones with
> 600x800.
>
> Is there a way to control this behaviour? 

Please have a look at the mime-display customization group, perhaps the
mm-inline-large-images variable.

BR,
Jani.