Korean Samsung Galaxy S II with Tegrak Kernel..Custom Rom possible?

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http://forum.xda-developers.com – Hi Im new to this forum but I hope people will still help me Well, like the title says, i got a korean galaxy s II rooted with tegrak kernel. I rooted by flashing siyah kernel first, but because the phone did not boot, i flashed tegrak kernel after that. Now, i havent really seen any confirmation for custom roms to work on the tegrak kernel and i dont want to risk to brick my phone... so..does anyone actually know if its possible and if yes, does the person also know HOW to do it? I searched for it in the internet but i didnt find anything..(i should mention that im not too good at korean. (HowTos)