With the most recent version of Opera browser and they offer a free step by step, no programming knowledge required, way of rolling your own Opera RSS widget for your blog called the Opera Widget Generator.

You can try the Hmm Opera widget created with this generator in less than two minutes by loading the homepage in Opera and clicking on the blue Opera widget icon in the URL window (pictured above). Then download and run and voila! You’ll see the most recent posts at MakeYouGoHmm.com. Nice thing about these Opera widgets is you can move them out of the browser window, so they don’t get in the way of browsing.

Now, go try rolling your own Opera widget.