ASP.NET MVC 4 change registration form

Some articles help me how to change the from, I added server fields. But the radio button still need to be fixed. The format is not quite right.

http://www.4guysfromrolla.com/articles/120705-1.aspx

http://blog.longle.net/2012/09/25/seeding-users-and-roles-with-mvc4-simplemembershipprovider-simpleroleprovider-ef5-codefirst-and-custom-user-properties/