https://store.kde.org/browse/cat/101/order/latest/

And probably more relevant to you,
https://wiki.archlinux.org/index.php/SDDM#Theme_settings

On Tue, Aug 4, 2020 at 1:58 AM Jim via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

> I figured out how to set the background image I wanted for SDDM. The
> only problem is this big circle right in the middle for the user's
> avatar.  I got rid of the default avatar by creating a transparent image
> and setting that as the avatar.  That only leaves a gray circle right in
> the middle of the screen.
>
> Here it is. https://ibb.co/9GMLvLN
>
> Is there any way to get rid of it?  I've got Kubuntu 20.04.
>
> thanks
>
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A mouse trap, placed on top of your alarm clock, will prevent you from
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Stephen