Board Thread:Support Requests - Getting Started/@comment-917161-20200814205732/@comment-45117243-20200817201719

Inspecting is a good idea. I went on with this and found that the image used by wikis is a file named like this:

https://narutooriginals.fandom.com/wiki/File:Wikia-Visualization-Main,narutooriginals.png

Although for one of the wikis I checked it used another file name: https://lost-cities-keeper.fandom.com/wiki/File:Wiki-wordmark.png