Have you noticed that your embedded Flash video looks like crap if you scale your flash file up or down?
A lot of people don’t realize this, but you can actually apply smoothing to flash video, just as you can to a bitmap image.
All you have to do is apply the following Actionscript 3 code to your video clip instance:
for example, say your video clip instance is called ‘video’
That’s it! Now you can scale your flash video along with your other graphics. If you plan to scale up, be sure to use a video with a greater resolution than you need, so that you can get the best results. Scaling down will just simply work.