motafoca plz plz help me iam new to android world

I'm Bharath from India I have now running 2.2 on my i5503 device

I'm totally confused on how to get ur new custom firmware. I'm installed the.
http://www.multiupload.com/YV8HJJXQBD

and I had successful but main thing
I can't get any features mentioned in ur custom mod no new bootscreen, no busybox. it same same as leaked froyo.
. if do any mistakes plz correct it and explain me step by step installation on ur new custom mod plz plz