1) Register to the site -
http://en.uclfantasy.uefa.com/M/tac.mc
2) Set-Up your team -
http://en.ucupfantasy.uefa.com/M/tac.mc
3) Code to join TiBB league - 66455-9690
I wanted to set a Champions League one up too, but couldn't really work my way around that site. So if anyone can, set one up for Champions League too.