Here we go...
First CFW working. Grab http://bit.ly/hszcH3, then "./create_cfw.sh PS3UPDAT.355.PUP CFW.PUP". Permanently adds "install pkg files" menu. 38 minutes ago via web
@josuaarzensek custom firmware is what you want it to be, you run the script on 3.55 OFW and you get 3.55 CFW
In Action...