Tutorial #1
Basic Tweening
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Here are the 6 steps to creating a motion tween:

1. Create the object to be tweened.
   Start with just one layer so there's no confusion between the layers.
   
   
   
2. Convert the object to a library symbol.
   Select INSERT/CONVERT TO SYMBOL from the menu bar. Make sure every piece of the object is selected when you do the conversion. Any parts left over on the tweened layer will cause the animation to work abnormally.
   
   
   
3. Name the symbol and select the symbol type in the dialog box that appears.
   
   
   
4. Insert the second keyframe.
   Place the arrow tool on a frame farther down the timeline. Right click and select INSERT KEYFRAME from the dropdown menu.
   
   
   
5. Setting the animation ending position.
   Move the object in the last keyfame to a point where you want the animation to end.
   
   
   
6. Creating the MOTION TWEEN.
   Right click on the timeline anywhere between the 2 keyframes. Select CREATE MOTION TWEEN from the drop down menu.
   

Your Flash screen should look similar to this one. These are all the steps needed to create a basic tweened animation.