yesterday i uploaded my game then it got pretty good graphics somehow and now im lagging pretty bad how would i fix that?

Ok i downloaded this for a voicepack http://minus.com/lBVXfz5hvZg9K and i put it legions live then data sound then quickchat then when i play it doesnt make a sound but the sarge snakey and cyborg do.

I need help idk how to work ts on legions plz help.

I have another question how do u get teamspeak 3 for legions?

I have a question when im playing the game it usually lags on me and i dont know what to do could it be my internet?