[Kazun]

1. Get-ChildItem -Path "e:\Изображения\Обои для рабочего стола\*" -Include *.jpeg,*.png,*.gif -Recurse

2. Вместо NoChange, доступно еще 3:Stretch(Растянуть),Center(По центру),Tile(Замостить)

https://msdn.microsoft.com/en-us/lib...(v=vs.85).aspx

Код:

[Control Panel\Desktop]
Wallpaper=%WinDir%\web\wallpaper\Windows\img0.jpg
; The path to the wallpaper picture can point to a 
; .bmp, .gif, .jpg, .png, or .tif file.

TileWallpaper=0
; 0: The wallpaper picture should not be tiled 
; 1: The wallpaper picture should be tiled 

WallpaperStyle=2
; 0:  The image is centered if TileWallpaper=0 or tiled if TileWallpaper=1
; 2:  The image is stretched to fill the screen
; 6:  The image is resized to fit the screen while maintaining the aspect 
      ratio. (Windows 7 and later)
; 10: The image is resized and cropped to fill the screen while maintaining 
      the aspect ratio. (Windows 7 and later)

Посмотреть, как выглядят различные параметры - http://newdelhipowershellusergroup.b...positions.html