Nexus S Rom on GS2?

[ZR160_MAJ]

Excuse the stupidity lol. But is it possible to install the rom from the Nexus S on to the GS2 if so where do i find lol. + how on earth do you install CM9, there are sooooooo many guides out there each one having a different method to another. I got confused and gave up

Much help appreciated

Maj