1.)
Break apart is a really cool option in Flash. Say you
have a picture off the Web. A jpg/gif, you can import
that into flash. With break apart you can mess with it,
like it was made with paint. First select the image you
imported.
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2.)
Then you goto Modify>Break Apart (shortcut key
Ctrl+B)
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3.)
Now you can erase parts of it, draw on it, select specific
parts of it to copy. Or whatever. (I used the eraser
tool, to delete part of it)