Basic Theme Editor
This plugin allows you to set the logo, logo url, favicon and footer text of your Trac env using the WebAdmin interface. Additionally you can specify a CSS file that shall be included in all Trac pages.
This is an external plugin. Please don't report any tickets here. See below for more information.
See also: t:TracInterfaceCustomization
Note: It is recommended to install the SiteUploadPlugin to allow the admin to upload images and CSS files.
Source and Tickets
You'll find all information about this plug-in here. Please file only tickets there.