This Tutorial will explains you How to create the Candle Flame Animation .To do this , you need Flash Version 5 and More. You can download the source Files at the end of this Tutorial
Lets start!

This effect created using Shape Tween and Key Frame animation .

1.Open Flash IDE

2.Create image like Candle .You can get this object from source files(*.Fla).

3.Create new Movieclip (crtl+F8) .Insert Candle Object in the first Layer,.

4.Create new Layer(above the candle layer ) name it as Flame Layer.Your Frame structure looks like.

5.Create new Flame Movieclip and create the flame like (use Linear Gradient effect) below image.

6.Flame animation has to be done using shape tweening and key frame animation.

7.Change the Flame shape for every key frame and select all keyframe and select Tween(in properties window) as “Shape”. Refer below picture.

8.Your timeline will looks like below.

9.Now give ctrl+Enter to run the player.

Tutorial by :- http://www.flashperfection.com/