That's not another list of lame landscape wallpapers but truly unique design pieces that you won't see elsewhere. I have listed my top 10 kick-ass wallpaper picks and also provided info on where you can get more of similar stuff.
Source 1:Wallpapr - wallpaper search engine (built on top of Flickr.)
possible search terms: graffiti, technology, abstract...
Source 2: ATI Radeon, NVidia wallpapers and nvidia gelato
Here you'll find around 50 high quality kick-ass wallpapers
Source 3: BestGameWallpapers - animated wallpapers from 100s of popular video games
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