Xperia mini pro root CWM Recovery after

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http://forum.xda-developers.com – Hey guys long ago I rooted my xperia mini pro and put CM 9 or 10 then I went back on Stock then again i put some radom kernel and and rom, then i wanted to put a rom here from te forum but when I put the kernel and try to go to recovery it wouldn't start the recovery the screen is just black So i went back to stock ! now my question is how do I root again X_X and how do I put CMW reocvery, because I want to put this : http://forum.xda-developers.com/show....php?t=2220537 (HowTos)