Flattr this 0.1
Flattr is a micropayment service, something like PayPal for very small amounts. You can read about them more on their homepage: flattr.com
This plugin adds [Flattr this] buttons to users profile page and to discussions and comments. All comments, discussions and the profile page are different so called "things" for Flattr. So forum users could be rewarded multiple times!
Sources are also on GitHub