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I want to create a widget for my theme that will let me upload an image to WP and crop it to a certain size. Can anyone point me to the codex page or a tutorial on how to a bare bone implementation of it?

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This tutorial explains basic use of WordPress media uploader.


To add image sizes use

 <?php add_image_size( $name, $width, $height, $crop ); ?> 

Read more on this at Codex


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Thanks for the quick reply. – Mr A Aug 29 '12 at 17:10

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