The Illumi logo displays the plugin icon in the viewport. You can adjust the logo size if required.
Every HDRI loaded into Illumi is listed with a corresponding thumbnail image.
If you double-click the HDRI in the list it swaps the HDRI to the new one. This is the same as clicking on the buttons above.
03. HDRI Image
Illumi sets up the lighting by default. These are guide-only settings and should be adjusted.
Sliders - adjust these as required.