Fownce helps you to easily post links from your address bar or post messages from the browser to Pownce. The extension aims to make posting information to Pownce as painless as possible for the user.
Once the extension is installed, fill in your Pownce user details in the extensions' options.
From here, it's as simple as clicking on the Pownce button to post your links from the address bar, or messages to Pownce. You can even highlight text on the html document before posting the selected text as a message to Pownce.