I have adapted the Textile Plugin to new ExpressionEngine 2.x architecture.
Just unzip the attached file to the third_party folder*:
*If you have moved the ‘system’-Folder to another path go there
The folder structure slightly differs from EE 1.x, the plugin has its own folder:
Use it in your templates in this way:
A short explanation and usage examples can be found here.
2009/12/04: With current build (v2.0.0pb01, 20091203) it is not possible to add Textile formatting to a custom field in the controlpanel (Reported issue)