Few pointers on jelly bean flash

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http://forum.xda-developers.com – Hi all, I'd like some clarification on flashing a new kernel and a compatible jelly bean rom on my galaxy s2, I've only flashed it once previously through ODIN with a stock rooted ICS rom and flashed a modem file via ODIN also. I think I need to install CWM in order to access potential kernels, perhaps siyah or team skyfire? I'm not sure I like the idea of TWRP totally in case touchscreen was damaged and I needed to be able to recover the phone in some case. I'm not asking whats the best, but there's going to be more people who have experimented more perhaps and can offer their opinio (HowTos)