Clear Skies by Ian Chisholm

Clear Skies and Clear Skies 2 were created using:

Editstudio 5
CoolEdit 96
FRAPs
Source SDK (And not Gary’s mod for crying out loud, I’ve never even seen it)
PaintShop Pro

Clear Skies 3 is currently in production using:

Sony Vegas Pro 9
Adobe Aftereffects
Paintshop Pro
Adobe Photoshop
Cooledit 96
FRAPs
IPISoft Markerless Motion capture
Softimage XSI
Source SDK (Orange Box engine)

Still not Gary's mod at all, ever.