Themes allow you to change the look and feel of WiiFlow and alter the layout and visualizations of the CoverFlow mechanism we use in WiiFlow. Download the theme you want and then extract its contents into the /wiiflow/themes directory. Next time you load WiiFlow go to the config menu and you should be able to change the Theme from DEFAULT to whichever theme you have added.
Note: Before reporting an issue with WiiFlow please ensure you have tested it with the DEFAULT theme selected to ensure the issue you are having is not Theme related.
Some of the themes below have not been updated since WiiFlow 2.2 and are here for when they hopefully will be updated by their authors. Theme compatibility has been noted on their corresponding theme page. Other themes not listed here can be found at spiffy360.com