Live Image resized and mover (JQuery)

I need a plugin or a sample code bec开发者_如何学Pythonause I've a div with a background and the user once has uploaded his own image he must be able to live resize it and move above the background provided by me.

Any idea? Thanks!

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What about this one: http://www.webresourcesdepot.com/jquery-image-crop-plugin-jcrop/, or this one is maybe better http://odyniec.net/projects/imgareaselect/

Hope it helps.