|Installed S2R has a right-click option. This is from my creation science Weblog.|
You can also install S2R in some browsers to give you right-click capabilities. Register for your free account, add it to your Amazon "Approved Personal Document E-mail List", then you can click to send various Web articles to your Kindle. When it arrives via WiFi (Amazon's "Whispernet"), you will see a tag line at the very end of the article advertising S2R as well as giving a link to the source document.
This screen shot is where I clicked on the drop-down next to the hand icon on "Sparrow Finch Baramin". "Edit in Composer" intrigued me: