Some questions about Jobs & Experts Plugin

Hi

I want to do following things with Jobs & Experts. Kindly let me know how it is possible.

1. Customization of Add a Job Form. I wan to add few fields & delete few.

2. Customization of Expert profile Form. I wan to add few fields & delete few.

3. Name & email picked from facebook while registration. Expert should need not fill those details again.

Anticipating a prompt response.