saving photos on iphone 1.1.4

Post: #1
i've captured photo and have
UIImage* preview
UIImage* picture
NSData* jpegdata
to save picture in album i need to save preview and picuture. i can save jpegdata by
[(NSData*)jpegdata writeToFile:imageFileName atomically:TRUE];
but i dont know how to save preview.
how can i scale jpegdata (i meen image it holds) or get rawdata from preview???

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Post: #2
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