If anyone's interested, here's the latest version of my Old West theme for C&C. It is compatible with FG3 and the CoreRPG-based C&C ruleset. This is suitable for use with the Go Fer Yer Gun! rules, which are basically just an old west version of C&C. This ruleset is currently *free* at the above link, though I have seen it go for a buck or two.
Enjoy!