I did it and could login.
For those who want to open a demo account, Here is the direct link.
http://www.fxcm.co.uk/demo-ts-ndd-usd.jsp

By the way, default setting of Zorro 1.03 don't test full 2012 year.
I got the result only until 11/01/12.
Is it because I don't have the recent price files?