Adobe Flash Professional CS5.5First right click on the layer you want to start first which will be your background, right click andinsert key frame. Drag and drop the image from the right panel and place it were you want on theplain white screen, which will be the area of where the animation will be. Press f5 to extend the timeof how long you want to see that layer for.To do another layer create the key frame were you want to start seeing that image/layer andcontinue the same process throughout to create different layers.
Select the whole of the layer you want to add an effect to, click on properties which is in the panelon the right. Open the colour effect and out of the options select alpha. Change the alpha to zerothat layer should disappear. (Remember to create a key frame at the end to stop the effect).Insert key frame at the start and finish on a layer to create the animation, the animation can startany were on the time line ( as long as you remember to put a key frame at the start and finish of thatlayer) then insert classic tween.
Create a key frame at start and end of that piece of animation. Right click and select create motiontween setting allows us to put a motion on it such as smoke, bounce, wave and many more effectsare available. Click on the logo which looks like bubbles and you will get different motion options.