Take up editing - forget everything else in your life. Tricks like that are time consuming to get just right. As said use the track motion and key frames and dont be too much of a perfectionist.

Vegas has a good help section built in to help you find what is meant.

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Lowering the tone of video since 2004 and still not an expert on anything - unless I say so. How do I import my life into vegas? I want more CGI.
My neglected website -- www.zaskarfilms.com My censored you tube channel -- http://uk.youtube.com/user/zaskarfilms