Exporting a move clip with alpha channel

Hi there,
I’m trying to export a move clips with alpha channel.
I’m trying to export an animation with Premiere CS5. I made an animation of a rotating object in Maya and exported it with alpha channel as tiff images. Then they are edited with Photoshop to give them a drop shadow.
My problem is this. Can I export this tiff animation with the alpha channel?
My plane is to use move clips over backgrounds in a game – depending on the result there are different animations playing on top of several different backgrounds. There for the objects has to have a transparent/alpha channel over the backgrounds.
Again the reason for this is the complexity of the game and to make the game looking as real as possible. I’m hoping for some help here to make my plan possible
…thanks

Thanks alot for the help.
But now I’m wondering how to get the file size down?
The 32bit and alpha channel just increase the file size from about 1MB to 9,3MB, which is pretty much??
…any ides mate?

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http://en.wikipedia.org/wiki/Shake_(software)
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jPo

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As Szalam said, the b/w image can be used as a luma matte.
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I'm having trouble figuring out how to export an animation
I've created in Flash as a Quicktime Video with transparent (alpha
channel) background. My client wants to import it into Final Cut
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Sound 44Hz
Maybe there's nothing wrong with my export settings... maybe
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The white background will need to me transparent to reveal
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Thanks,

I forgot to say that making the Flash track transparent is an
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under.
Do you realize that QuickTime 7.1.3 has "Enable Flash" off by
default. To see Flash tracks in QT player or browser plug-in, you
now have to open the QT Preferences or settings, click Advanced Tab
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Migrating Flash Projects to Video
http://www.adobe.com/devnet/flash/articles/flash_to_video_02.html
I'm working on one now, work-in-progress at:
http://tinyurl.com/hpare
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no, at least not last time I looked.
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sme tips quoted from http://dvinfo.net/conf/archive/index.php/t-78006.html
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Avid DV (AvidAVdvCodec.component)
Avid Packed (AvidAVpkCodec.component)
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Exporting a move clip with alpha channel

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