Hi guys,
If you're running FSX DX10 and had issues with VC shadows for some 3rd party aircraft, here is the solution:
Add this to the [Display] section in your FSX.cfg:
ForceVCShadowMap=1
This enables VC shadows for ALL your aircraft - including the ones that the DX10 Fixer Tool couldn't due to model issues (eg all Lionheart aircraft).
Enjoy!
Dan