how to create a custom design for adding a new user in sfDoctrineGuardPlugin

i am new to symfony i would like to create a custom design for adding a new user. how to create a custom design for adding new user in sfDoctrineGuardPlugin .

http://localhost/xxxx/web/backend_dev.php/guard/users/new

i am able to add a new user in this link. but i need to change the design. where i can find the form in which i can change the design. i am not able to find any template folder inside my sfGuardUser module. which is located in plugins\sfDoctrineGuardPlugin\modules\sfGuardUser any one please help me.

sfDoctrineGuardPlugin uses the regular admin generator, so you need to add files to your backend app:

apps/mybackendapp/
└── modules
    └── sfGuardUser
        └── templates
            └── newSuccess.php