Can I suggest two improvements?

• Spread the choices out so they are beside each other, rather than on top of each other -- which pushes the page down.
• Make them configurable (on/off).

While it's neat to see them there, I prefer them at the bottom of my Personal Nodelet. (My nodelet is porky at about 20 links, but they're all great nodes that I have to revisit when I get a Round Tuit -- and I have a fast connection, so I don't mind seeing them every time.)