Implements 'cancelled' sharing-features of Google Reader for the excellent open-source RSS-Reader TinyTiny-RSS: share any page on the web via a bookmarklet and show your shared items in a widget on any website you want. Also allow to import shared&starred articles from Google Reader.
The bones should be there, like the image and basic styles from form.css (font style and sizes for instance).
Also, I would write "click to close" and make it all an <a> instead the good old click HERE