PS3 developer naehrwert is back again.A This time he has continued the good progress he is making on the original tool created by Team fail0verfl0w.A The latest update brings SCETool to version 0.2.1 and has made the announcement that this release should now have full SELF file support.A A It should be noted that this is intended for use by developers who are lookng to explore the firmware of the PS3 and also homebrew and game tasks.
In order to use this you will need zlib1.dll (put it in the same folder as scetool.exe)