Graphics/tiles sets issues

[BrunoDSL]

I don't know if this happens with other people but, if I install any of the graphic sets from the Choose tab, I permanently lose the ability to set different graphic fonts and text fonts in the Customize tab. Why that happens? Shouldn't an installation of a full graphic set be reversible? The only way I can restore the ability to use the customize tab after installing a graphics set is to remove LNP entirely and start from scratch, apparently. Restoring the configuration doesn't do anything.

Another thing that's a bit confusing for me is why all the sets and tilesets from the Customize tab spread all over different folders? Some are in the folder LNP opens for you when you click Open Folder, others are in LNP/baselines/df_43_05/data/art/ (there seems to be a duplicate of the SpacefoxNext on two different folders) and others are in df_linux/data/art/. Shouldn't them all be in the exact same place like the full graphic sets from the Choose tab are so they are also easy to manage and the button right below the list doesn't "lie" to the user?