Tween

import fl.transitions.Tween;
import fl.transitions.easing.*;
import flash.events.MouseEvent;

slide1_mc.addEventListener(MouseEvent.CLICK, irASlide2);
slide2_mc.addEventListener(MouseEvent.CLICK, irASlide3);
slide3_mc.addEventListener(MouseEvent.CLICK, irASlide1);

function irASlide1(e:MouseEvent){
    new Tween(slide3_mc, "x", Regular.easeOut, 0, -550, 1, true);
    new Tween(slide1_mc, "x", Elastic.easeOut, 550, -0, 1, true);
}
function irASlide2(e:MouseEvent){
    new Tween(slide1_mc, "x", Regular.easeOut, 0, -550, 1, true);
    new Tween(slide2_mc, "x", Elastic.easeOut, 550, -0, 1, true);

    new Tween(slide2_mc.nube_mc, "scaleX", Elastic.easeOut, 0, 1, 3, true);
    new Tween(slide2_mc.nube_mc, "scaleY", Elastic.easeOut, 0, 1, 3, true);
}
function irASlide3(e:MouseEvent){
    new Tween(slide2_mc, "x", Regular.easeOut, 0, -550, 1, true);
    new Tween(slide3_mc, "x", Elastic.easeOut, 550, -0, 1, true);
}

//Animar objeto dentro de otro movieclip (slide)
slide1_mc.animacion_mc.stop();
slide1_mc.animacion_mc.addEventListener(MouseEvent.ROLL_OVER, correrAnimacion);
slide1_mc.animacion_mc.addEventListener(MouseEvent.ROLL_OUT, detenerAnimacion);
function correrAnimacion(e:MouseEvent){
        //e.currentTarget hace referencia al movieclip que este ejecutando la funcion
        e.currentTarget.play();
    }
function detenerAnimacion(e:MouseEvent){
        e.currentTarget.stop();
    }