I’ve played with Allegorithmic a bit, but not enough to know how to do the things I’d recommend, but this is the kind of look I’d try to achieve: https://www.google.com/search?safe=off&site=&tbm=isch&source=hp&biw=2560&bih=1300&q=handpainted+textures&btnG=Search+by+image&oq=wallpaper&gs_l=img.3..0l10.3121.4133.0.4243.9.6.0.2.2.0.205.409.2-2.2.0....0...1ac.1.52.img..5.4.418.kfOIoTyD3Gg&gws_rd=ssl