need guidance..pls help

view story

http://forum.xda-developers.com – Hii guys sorry for being such a noob .. but I am very confused here.. I am not able to install a custom Rom in my beloved xperia arc my phone just stuck on sony logo.. I tell u what i did.. first of all i rooted my phone by flashing rootable kernel then rooted my phone with doomlord Method then I installed CWM..but the problem is no matter which custom ROM I install in my phone with CWM phone just stuck on sony logo :( Plz tell what i did wrong.. P. S. My phone was on latest ver of ICS (HowTos)