also a cursory google search of likebutton.me shows that its been around since april 2010 and has been mentioned on mashable as well as cnet and others..
copy and paste into your browser's address bar:
http://likebutton.me/?url=
type your blog or website url at the end:
http://likebutton.me/?url=YOUR_URL_HERE
http://likebutton.me/?url=wesawthat.blogspot.com