How to add a "share in google reader" in wordpress

I am a Google reader user, and I never find the "Share in google reader" icon . I wanted to add it to my blog, but I did not find this anywhere... so I will post that. It is quite easy: go to your site preferences, options, sharing settings and click in "Add a new service".

You have  to fill the new formulary with:

And you now can use it...

The same for other platforms