Currently the suggestions for Artwork for the desktop are:

<h2>Desktop Wallpapers</h2>

OpTunisia (HDR of both pics; version info)
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Free flight
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Nightclub flowchart
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Waterfall 3D; (Anaglyph)
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Forest-Sky 3D; (Anaglyph)
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Aquarium 3D; (Anaglyph)
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Lolcat(s)
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Anonymous Blueprint
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Anonymous - Flag with coat of arms
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Scratchlook Graffiti (Black & White)
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cruelness
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You May call me Anonymous
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Fawkesmask
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We do because we can
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Rainbow
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Expect us!
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Anonymous Floor
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Happy Security
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Longcats
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Be Anon
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Matrix
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Awesome Legion
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Anonymous logo + paint splatters
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Anonymous Cherubium
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They shall be packed as Folders for one Theme, so that all fits!

 * [themename].theme (folder)
 * Desktop.png (Desktop Wallpaper)
 * themesetup.kde (folder)
 * (all configuration-files needed for the theming!)

A firefox skin would be hot.