Heres a nice mwb file to tile all the backgrounds. Looks nice and lest we forget 
Ahh, MagicWB!
Edit: Was called "marble...", also I remember the icons and all that with just 8 colors! Later NewIcons was my fav because of incredible 256 colors - with Picasso IV in my A3000 (still works) 
!
Not sure if I'd still want to use it today (or this decade ) but I found the MWB paper wallpaper lying around:
Blurred out the dithering:
It was pretty amazing just to be able to put any kind of picture on the screen back in those Amiga days.