I want to contribute iBATIS plugin code

Now I have some problem about iBATIS plugin development, and I think I can not finish them by myself, such column navigation, inline parameters in SQL and so on, and they are all technical problems. I know iBATIS is a great framework used in Java community, so I want to contribute the code and JB guys can make it perfact, and a lot of guys can benefit from the plugin. thanks. You can find the code at http://code.google.com/p/ibatis-plugin, and it is open source and free.