Looking on the internet deeply has found these results:

on thumbnail is the most popular phrase on the web.

in thumbnail 1411,000 results on the web	on thumbnail 1895,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
You simply draw here a rough sketch of what you want to find and digiKam will displays the best matches in thumbnail view. Distance between image and thumbnails in pixels. You can rate images using the numbers from 0 to 5 on the keyboard whilst in thumbnail view or the image viewer. In the annotation dialog, you can rate images by selecting the appropriate star rating. Background color to use in the thumbnail viewer Show ratings in the thumbnail view. Checking this option will show the base name for the file under thumbnails in the thumbnail view. Show tags in the thumbnail view. Show dates in the thumbnail view.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

in thumbnail

1411,000 results on the web

on thumbnail

1895,000 results on the web

More popular!

You simply draw here a rough sketch of what you want to find and digiKam will displays the best matches in thumbnail view.
Distance between image and thumbnails in pixels.
You can rate images using the numbers from 0 to 5 on the keyboard whilst in thumbnail view or the image viewer. In the annotation dialog, you can rate images by selecting the appropriate star rating.
Background color to use in the thumbnail viewer
Show ratings in the thumbnail view.
Checking this option will show the base name for the file under thumbnails in the thumbnail view.
Show tags in the thumbnail view.
Show dates in the thumbnail view.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.