Wild west phrases and slang wanted

Hello

I am making a western shortfilm, with cowboys and indians.

I need some phrases and funny cowboyslang to spice up my dialogues, do you know any or where to get them?

Southern Country American is also welcome ;)

/Tor

Lower than a snake's belly.
Fine as frog hair.
White man speak with forked tongue.
(Those are all clichés.)