Hey Dwayne,
Here is a link to your question - the trick is to drag all of the clips you want a transition to into the canvas window and replace with transition (it will be your default transition which can easily be changed). Hope this helps!
http://www.geniusdv.com/weblog/archives/adding_multiple_dissolves_in_final_...
-Andy C
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Andrew Crosby
Video Editor
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