Btw, mine is called 'Tail with cmder' just because cmder is awesome!
Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\*\shell\Tail with cmder\command] @="C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe -NoExit -Command Get-Content -Wait -Tail 10 '%1'"
Cheers,
Luuk