Thank you, I am trying to keep the plugin free but I do accept donation via paypal or Flattr.
https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=8SJEQXK5NK4ES
http://flattr.com/thing/ada71a292184f70579d1049386d98fee
The only reason that I will develop a pro version is if I don’t get support for the free version.