This is a Chrome extension that will send the current page (or link) to your Instapaper list via button or contextual menu, with easy access to your unread list
Click the extension button once to send the current page to Instapaper. Double-click the button to open the Instapaper Unread list. Send to Instapaper contextual menu option will send current page or link to Instapaper.
The icon will display status (Send/Done/Err) -- this is pretty self-explanatory.