I know for a fact that its "possible" to have avi textures in half life, I even know that it involves something called avikit. But other than that, I'm completely lost.
I think muzzleflash (Mighty atom, sorry. I'll always know you as muzzleflash) accomplished this, so the thread is somewhat directed at him, but I wasn't sure.
And yes, I know it will certainly require coding. There just isn't much help on the internet for it, and I was hoping to get some help from someone who got it to work