---Premiere Pro CS6 Techniques: 56 Color TEN Vignettes ONE
In this tutorial, Andrew Devis shows one method of how to create a vignette in on your sequence to darken down distracting areas of the footage so that you can concentrate your audience on the action and not on distracting elements away from the action.
This technique is good for well centered footage but not so good if you have action at the side of the screen.