Spitter Projectile Animation/Texture Change Help

[Xeadriel]

Heya,

I'm trying to make a texture and sound replacement mod for all aliens but kind of got stuck trying to change the spitters projectile texture and animation I tried changing the stream, fire and sticker animation but nothing seems to work and the attack parameters are for the spitters attack animation not its projectile either. Maybe I'm doing something wrong or missing something somewhere.

Can someone point me towards the right direction?

Thanks