These are all handy picked and include only a high quality websites for wallpapers. Stop wasting time searching in google, this is the ultimate wallpapers list
Aeiko.net - original wallpapers, mostly 1600×1200
MoodFlow - original wallpapers, mostly 1600×1200
End Effect - original wallpapers, mostly 1600×1200
DJ-Designs - original wallpapers, mostly 1600×1200
Bitaites.org - original wallpapers, mostly 1600×1200
Wooden Fish - original wallpapers, mostly 1600×1200
Socksoff.co.uk - original wallpapers, mostly 1600×1200
Plog Wallpapers - original wallpapers, mostly 1600×1200
Digital Blasphemy - original wallpapers, mostly 1600×1200
Neon Sight Japan - original wallpapers, mostly 1280×1024
Souldcore - original wallpapers, mostly 1280×1024
Wallpaper Joe - original wallpapers, mostly 1024×768
VladStudio.com - original wallpapers, ultra high resolutions
GypySpaceMuffin - original wallpapers, ultra high resolutions
RealityDreamShip - original wallpapers, ultra high resolutions
Hebus.com - original wallpapers, various resolutions
PimpMyDesk - original wallpapers, various resolutions
Klowner’s Wallpapers - original wallpapers, various resolutions
InterfaceList - a lot of categories, ultra high resolutions
MacDesktops - a lot of categories, ultra high resolutions
Wallpaper Stock - a lot of categories, ultra high resolutions
Pixelgirl Presents - a lot of categories, high resolutions
Quality Wallpapers - a lot of categories, high resolutions
Balta.ikk.sztaki.hu - a lot of categories, mostly 1152×864
Looroll - a lot of categories, various resolutions
DeviantArt - a lot of categories, various resolutions
Shadowness - a lot of categories, various resolutions
Free Wallpaper - a lot of categories, various resolutions
Free Digital Wallpaper - a lot of categories, various resolutions
Mapa.co.kr - a lot of categories, mostly 1024×768
GetSkinned - a lot of categories, mostly 1024×768
Groovy Screens - a lot of categories, mostly 1024×768
Shifted Reality - a lot of wallpapers, mostly 1600×1200
Streat Dream - a lot of car wallpapers, mostly 1280×960
Wikipedia - a lot of wallpapers, high resolutions
Club VAIO - a lot of wallpapers, high resolutions
WinModify.com - a lot of wallpapers, high resolutions
ThemeXP - a lot of wallpapers, various resolutions
Webshots - a lot of wallpapers, various resolutions
CrystakXP - a lot of wallpapers, various resolutions
KDE-Look.org - a lot of wallpapers, various resolutions
Customize.org - a lot of wallpapers, various resolutions
WinCustomize.com - a lot of wallpapers, various resolutions
NetCarShow - car wallpapers, mostly 1600×1200
Exotic Car Wallpapers - car wallpapers, ultra high resolutions
Desktop Machine - cars, babes, movies, bikes, ultra high resolutions
3couleurs - firefox wallpapers, mostly 1600×1200
9x Media - multi monitor, high resolution wallpapers
BellaDonna - celebrities wallpapers, high resolutions
Desktop Girls - celebrities wallpapers, high resolutions
HST Wallpapers - space wallpapers, ultra high resolutions
Space Wallpapers - space wallpapers, mostly 1600×1200
Brodyaga - european cities wallpapers, mostly 1024×768
WStaylor.net - windows wallpapers, various resolutions
Gamer Wallpapers - game wallpapers, ultra high resolutions
Michael Swanson’s Blog - mostly flowers, ultra high resolutions
Arkhipov.com - vista, flowers wallpapers, ultra high resolutions
Anime - anime wallpapers, mostly 1280×1024
Peorth - anime wallpapers, mostly 1280×1024
Mattosai - anime wallpapers, high resolutions