diff --git a/wallpapers/Next/contents/images/1024x768.png b/wallpapers/Next/contents/images/1024x768.jpg
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diff --git a/wallpapers/Next/contents/images/1280x1024.png b/wallpapers/Next/contents/images/1280x1024.jpg
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diff --git a/wallpapers/Next/contents/images/1440x900.png b/wallpapers/Next/contents/images/1440x900.jpg
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diff --git a/wallpapers/Next/contents/images/1600x1200.png b/wallpapers/Next/contents/images/1600x1200.jpg
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diff --git a/wallpapers/Next/contents/images/3200x1800.png b/wallpapers/Next/contents/images/3200x1800.jpg
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diff --git a/wallpapers/Next/contents/images/README b/wallpapers/Next/contents/images/README
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-These images are actually JPEGs, not PNGs. This is done because changing the filetype of the wallpaper is problematic due to the issue described in https://phabricator.kde.org/T12611. I'm sorry. :/