GenerateImageSymlinks.ps1

# add correct directories here
$InputFolder = "F:\Pictures"
$OutputFolder = "F:\test"

# add all image types
$InputImages = dir $InputFolder -Recurse -include *png,*jpg

Foreach($ImagePath in $InputImages) {
    $LinkPath = $OutputFolder + '\' + $ImagePath.BaseName + $ImagePath.Extension
    New-Item -ItemType SymbolicLink -Path $LinkPath -Target $ImagePath
}