What is shape tweening.

Shape tweening is a method in which you convert any shape to any
other shape, for example a rectangle will be converted to a circle
in the following example.

Example : View here

We will make two examples of shape tweaning, because tweening
of TEXT is different than shape.

QUOTE

Tweaning of Shape

Follow the steps, your animation will convert a rectangle to circle.1. Open new file.
2. Make a rectngle on the first frame.
3. Now if you want a quick animation, (it depends on you how many frames
  you want) right click on Frame number 10.
4. Select Insert Keyframe from that menu. Now you will see another  
  DOT on frame number 10.
5. Left click on Frame 10 and delete that frame. Now only frame number 10
  is empty, other 9 frames are not empty.
6. Now click on Fram 10 and drae a circle. Now if you see there is a Circle
  on frame number 10 and a rectangle on all other frames.
7. Now click on any frame between 1 and 10.
8. Now if you see in properties (at the bottom) there will be written
  Tween and in front of this, there will be a combobox, now
  you have to select Shape from it.
9. You are done. Now run your movie.

QUOTE

Applying TWEEN to Text.
When you apply tweaning to TEXT its a little bit different. Because you
cannot directly apply tweening to text.
You dont need to do anything else, there only one change in doing so.

1. Write text “SWiSH-DB”.
2. Click on text and from Modify menu, select Break Apart.
3. Now each single alphabet is seperated. It looks like this

  user posted image

4. Now again goto Modify menu and select Break Apart.  
  then it will look like this.

  user posted image

5. Now rightclick on frame number 10 and select Inert Keyframem and delete this frame.
7. Again write “Ultimate Designers”, and do the above steps with this (break apart etc)..
7. Now click on any frame between 1 and 10.
8. Now if you see in properties (at the bottom) there will be written
  Tween and in front of this, there will be a combobox, now
  you have to select Shape from it.

Download Example File

thats all. This is very easy and basic tutorial for newbies, I am sure it will
help the newbies arround SWiSH-DB.