-A theme provides, via the underlay, an enhanced version of the regular
-[[style.css]]. This leaves [[local.css]] free for you to further
-customise. Themes can also provide header and background images.
+You can set the theme via the **theme** option in your config file (after
+enabling the plugin). Refresh the wiki (with `ikiwiki --setup <file>`)
+after changing it to see the changes.
+
+Hints for theme builders
+------------------------
+
+ * Start from an existing [[CSS file|css]], see also the [[css market]] for examples
+ * You can override the [[templates]] files by dropping them in a `templates` subdirectory
+ * Try to stick with modifying the CSS however, maintaining custom templates is harder