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The default plugin “Media Frame” adds background even for transparent images.
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The fork “Picture Frame” (https://github.com/Agundur-KDE/KPictureFrame) supports transparent images, but does not play animated gifs. It only displays the first frame.

The default plugin “Media Frame” adds background even for transparent images.
The fork “Picture Frame” (https://github.com/Agundur-KDE/KPictureFrame) supports transparent images, but does not play animated gifs. It only displays the first frame.
