Based off of the W7C LogonUI Changer, this Powershell script should make changing the LogonUI background easier for the IT admins out there.
Download win7logonui.zip (Includes the ImageProcessor source and DLL)
Usage:
After copying or building imageprocessor.dll move it to the same folder as win7logonui.ps1 (or edit the script).
Example: win7logonui.ps1 \path\to\image.jpg
Set $DebugPreference to “Continue” to watch the script [...]

