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Nice!

@Saberninja710 I have it in the Grand Theft Auto 5 folder similar to the way other mods install. I also found Scene Director has this built in. https://www.gta5-mods.com/scripts/scene-director

The Scene Director takes a minute to grasp, but when you setup a scene the J button can be used in that mod to move the players mouth as well.

First you need ScriptHook and ScriptHook.net (They're two different hooks). Then you would have needed to research this dude on the internet to find there is a missing ASI from this download that can be found here: http://www.mediafire.com/file/dpqoiycet85jola/LipMovement.asi

Additionally the ASI will only work when you double tap "O" fast in game. There doesn't appear to be a way to maintain talking during animations so there is still a challenge. Good Luck!