need help on rooting for a friend

[93fuelslut]

I'm a Motorola guy and we have safestrap to install roms and flash mods...but I have never used a samsung phone..can anyone help out for a friend with AT&T samsung s2?
I need help on how to root the phone and install roms preferably cm9 or cm10..

 

[guidot]

Moved to the S2 section!