Distort vs Corner Pin Effect

In FCP, where can I find an alternative for the Corner Pin Effect in Adobe Premiere & After Effects ?
At Creative Cow I found that the Distort Tool is the alternative, but that's not true !
The Distort Tool bends the diagonals of the image. The Corner Pin Effect keep them straight.
In Motion it is possible (Adjust Four Corner - Tab) , but how can I do this in FCP ?
I post a trial at Picasa (i hope it works - is it not possible to add an attachement at this forum)
http://picasaweb.google.com/109074614367215343138/CornerPinEffect?feat=directlin k
Greetz,
Marnik

FCP is not an compositing software it is part of a package, which also includes Motion.
You say it works in Motion.
Well then: Select the clip in FCP. Right click. select Send to Motion.
In Motion do the four corner pin. File > Save. Revert to FCP. Voila. There's your clip corner pinned...
(Yes a workaround, but a workable workaround I guess).
Rienk

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