How to install thumbnails on WDTV live?

hey searched around and can’t find how to install/view thumbnails on the wdtv. Maybe its something obvious im not seeing on the forum. i can select the thumbnail option on the drive on the tv but i cant figure out how to install pics onto the drive for the indvidual films.  Hope that makes sense. thanks

Add your shares (from your computer, NAS, etc.) to the media library (inside of WD Live setup) . Setup WD Live to get content automatically.