ipad usb port flash drive

How do I save photos from photostream on my iPad to my flash drive - I have a connector kit with the USB port connected.  I went to Photostream but it does not give me an option to "Save As" to a flash drive.  Help!
location: apple.com - date: December 23, 2012
How do I save photos from Photostream on my iPad 2 to my flash drive insert (I inserted the flash drive into a connector into the iPad).  But when I go to Photostream, it doesn't give me an option to "Save As" to my flash drive.  Is there a way to do this>  Thanks!  Perry0141, Greensboro, NC
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