... Skins overlay regular templates to give different looks and feels to TWiki screens. ... TWiki uses TWikiTemplates files as the basis of all the screens it uses to interact with users. ... The TWikiTemplates files used for skins are located in the twiki/templates directory and are named according to the skin: <scriptname>.<skin>.tmpl . ... You should only need to copy the files you intend to customise, as TWiki can be configured to fall back to another skin if a template is not defined in your skin. ...