Forget the "I'm running it on a Pi" angle, which is cool in its own right; the application itself is great, and just went on my surf list.
Great work!
Constructive comments:
- Could use a visible "about this site" link, maybe pointing at that blog post or something similar.
- Could use to make a link to the source site's comments page more visible instead of just "click on the logo".
JMHO there. =)