Ok, here's the Desktop Sphere in Compiz. It's the Cube plus 'Cube Reflection and Deformation' in Compiz Configuraton Settings Menu. The YouTube video will take up the fill width of the page on a computer. Not sure what it will do on a phone. I had to make it 800x600 to get decent resolution. Video Linked: This is still only the little i5-4590T, which is more or less a medium laptop processor, and onboard i915 graphics.

Video of Mint 19.3 Xfce with Compiz, plus Video Wallpaper and Transparency

I Managed to sort out my Mint 19.3 Xfce at last.
I have most of the stuff I liked about KDE/Plasma, but saved most of the speed of Xfce on the little Lenovo m93p Tiny.

The m93p only has an intel i5 4590T processor and 8GB RAM, with an i915




Click the BIG RED DOT to Play Video...

Compiz is managing to display the Full Screen Video Wallpaper on all Viewports, and still keeps it playing as I rotate, flip and tumble the cube.
That rather surprised me !
HOWEVER:-
I have the 3D Windows effect enabled.  What that effect does, is to make the windows appear as if they are floating above the faces of the cube.
Because I told my cube to pretend to be a cylinder, it floats the 3D windows as a cylinder, but keeps the desktops as a cube.
And it makes the top and bottom face into disks.

Turning 3D windows OFF makes everything work properly.
Also, if 3D Windows effeect is turned Off, the 'sphere' deformation works, although with modern screen aspects, it is an elipsoid.

I'll do a desktop capture of that soon, but for now, here's a photo:

System Info is:
System:
  Host: ross-ThinkCentre-M93p Kernel: 5.3.0-46-generic x86_64 bits: 64
  Desktop: Xfce 4.14.1 Distro: Linux Mint 19.3 Tricia
Machine:
  Type: Desktop System: LENOVO product: 10AB0039AU v: ThinkCentre M93p
  serial: <root required>
  Mobo: LENOVO model: SHARKBAY v: SDK0E50510 WIN serial: <root required>
  BIOS: LENOVO v: FBKTB4AUS date: 07/01/2015
CPU:
  Topology: Quad Core model: Intel Core i5-4590T bits: 64 type: MCP
  L2 cache: 6144 KiB
  Speed: 1374 MHz min/max: 800/3000 MHz Core speeds (MHz): 1: 1568 2: 1450
  3: 1723 4: 1421
Graphics:
  Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics
  driver: i915 v: kernel
  Display: x11 server: X.Org 1.20.5 driver: modesetting unloaded: fbdev,vesa
  resolution: 1920x1080~60Hz
  OpenGL: renderer: Mesa DRI Intel Haswell Desktop v: 4.5 Mesa 19.2.8

Mint Linux Dolphin File Manager Transparency - Ubuntu

What began as a simple interest in getting some of the Transparency theming across from my old KDE/Plasma desktops, to Mint has got a little bit out of hand.  That's obvious in the last post, but it has given my more insight into what can be done with Mint Xfce.

I started with the Dolphin File Manager simply because I already had it transparent in Plasma and I like having the desktop wallpaper showing through.
Then I discovered I could modify a few themes and have Wide Borders to grab with the mouse, plus some nice colourful big square buttons for Hide/Minimize-Maximize and Close.

The wide borders thing got taken to extremes in the last post.  So I went to work on changing another couple of themes I rather like that have borders smaller, but still bigger than the half a pixel that seem so popular these days - and are bloody near impossible to grab with a mouse.

So - With the exception of the first picture (Brave web browser) here are the most of the programs I have in Linux MINT 19.3 Xfce that have Transparency over large parts of their windows.

I still have only the bits of KDE that the individual applications require in order to function.
I have not installed KDE or Plasma Desktop.
The transparency and other changes are achieved using Compiz, some KDE Apps with some QT config tools, Kvantum theming engine, and some little mods to the window manager themes I'm using.