You can change member's join form. But it can not change default field (ID, Password, Name, and Email);;;
Enter default level when joined membership	12345678910 Setting default level(1~10).
ICQ	Use ICQ No.
AIM(AOL)	Use AOL No.
MSN	Use MSN No.
JUMIN number for Korean	Use JUMIN No. The system will be check the JUMIN number automatically
Write (Member Profile)	Use "Member Profile"
Hobby	Use Hobby.
Occupation	Use Occupation.
Home address	Use home address.
Home Tel.	Use home Tel.
Office address	Use office address
Office Tel.	Use office Tel.
Mobile phone	Use mobile phone.
Join mailing	Use "Join mailing list"
Birth date	Use member's birth date
Picture	Use member's picture