Hello all,
i was trying to follow this tutorial( http://www.bencurtis.com/archives/2007/03/rails-openid-and-acts-as-authenticated/ ) and the README file to add OpenID support to my login system.
i successfully got to the point where it can login users with OpenID, without requiring some informations from "simple-registration- extension" (nickname, email, etc)
once i can login user with OpenID, i followed the README file of the plugin, which change the "open_id_authentication(identity_url)" into: