This is a pack of many Windows Vista and 7 wallpapers in 1920x1200. While the wallpapers included in Vista and 7 are already HD, the sample pictures, Starter wallpapers and user account pictures aren't, although some alternate versions are also included. I have also included Longhorn wallpapers and other stock photos that were taken by Windows photographers. It doesn't have everything, but it still has quite a lot considering their rarity.
If you aren't aware, Microsoft licensed most of their wallpapers from stock photo sites such as Corbis and Getty Images. I have used a certain downloader tool to retrieve many of these at higher resolutions, and in some cases I even got some directly from old royalty free stock photo CDs. As stock photo sites sometimes take photos down, not all of them are present in this pack, but I have been trying my best to find them. Also, if you're going to submit any of your finds to this pack, please be aware that I do not accept upscaled wallpapers, as I feel they have less value than the original images. You can always try contacting the original photographers for full res versions, although be prepared to spend a bit of money.
If you are unsure about anything, read the notes in each folder. These clarify reasons why wallpapers may either look different from expected or why some may be missing.
As you can see, I have included a lot of wallpapers here. I have gone great lengths with researching these wallpapers, and digging up ones that are high enough resolution for inclusion here.
Included from Vista are:
Included from 7 are:
Also included:
Some links that may be of interest to you, all of which were created by me.