[Jeffers24]

In order to minimise the size of my Kodi/.kodi folder when I store a backup or, transfer my build from my laptop to my android box, which folders/files am I able to remove from the Artist Slideshow folders without affecting addon/settings?

That kind of depends.  If you're not using any images you downloaded from other sources (manually or using some other addon), then you could probably remove everything except the settings.xml file which is in userdata/script.artistslideshow.  AS will then download images again as needed.  If you have downloaded images from other sources, there probably isn't much of anything you can remove safely.

Please, please, please validate this before excluding a bunch of stuff from your backups though.  I've not done any testing on how much stuff you can remove from AS storage before you notice.  Drives are so cheap I've always used the "backup everything, sort it out later" method. 

I don't have any external memory on my android box so I need to be careful with memory.

I deleted the two folders in the pics below 'ArtistInformation' and 'AtistSlideshow', as you can see on my laptop test system the ASS folder was around 147MB with these two folders using almost all of the 147MB. After deleting the files and restarting the Radio addon the artist art came back without problem, it was also very quick.

When I checked my android box the ASS folder was over 500MB. I have set maximum storage used to 512 MB and that is working well for me. I am guessing without setting a limit ASS may use all my available memory.

Thanks again for a great addon, really makes listening to radio channel or my ripped cds a much better experience.