image-dired-gallery-dir

image-dired-gallery-dir is a variable defined in `image-dired.el'.
Its value is

"/home/artur/.emacs.d/image-dired/.image-dired_gallery"

Documentation:
Directory to store generated gallery html pages.
This path needs to be "shared" to the public so that it can access
the index.html page that image-dired creates.

You can customize this variable.