Rename multiple files with powershell

Example:
Rename files named image.1.jpg, image.3.jpg... into 1.jpg, 3.jpg

<pre>
Get-ChildItem image.*.jpg|ForEach-Object {
    $NewName = $_.Name -replace "^(image\.)(.*)",'$2'
    $Destination = Join-Path -Path $_.Directory.FullName -ChildPath $NewName
    Move-Item -Path $_.FullName -Destination $Destination -Force
}