The use of img_src AND thumbnail in the default results makes no sense (only a
thumbnail is needed). In the current state this is rather confusing, because
img_src is displayed like a thumbnail (small) and thumbnail is displayed like an
image (large).
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
The general category is the category that is searched by default.
From a privacy standpoint it doesn't make sense to send all general
queries to specialized search engines that cannot deal with those
queries anyway.