NoLogo.png — when a new wiki article is added to WikiIndex, this image appears in the wiki infobox (or other selected infobox) until a logo is either uploaded here on WikiIndex (via the 'Upload file' feature at Special:Upload), or is directly hot-linked to.
Requires user assistance
No Logo Uploaded Yet
No Logo Uploaded Yet.png — this logo can be used on articles that do have a logo, but the registered user, and / or the IP editor is unable to upload its specific logo, and / or are unable to find the logo URL.
Upload logo.png — similar to above, though this can also be used for new wikis, as a 'prompt' to the wiki owner to upload their own logo to their own site first.
404.jpg — this can be used to indicate a dead wiki which never had its own logo, or we are unable to locate its original logo.
These images below will be automatically placed on an article page within its 'infobox' when the appropriate corresponding infobox template is used. They may also be used in the generic wiki infobox template when fuller detail is known about their respective articles.