You can never have enough wallpapers!  Tomvanroosmalen over at The Sim Supply has created 6 wallpapers which comes in 8 different sizes (1280×800, 1280×960, 1280×1024, 1440×900, 1600×1200, 1680×1050, 1920×1080 and 1920×1200).  Covering about every single resolution, nice!

5/10/10 - 6 wallpapers from The Sim Supply

Grab them here