DefaultDNB has released his personal mod pack for Rebug Rex 4.30.2 CFW, here is a quote from his post:
Coldboot.raf - See preview.
Coldboot_multi.ac3 - Simple 8 second DNB REBUG intro sound.
Coldboot_stereo.ac3 - Simple 8 second DNB REBUG intro sound.
(This is the included RAF)
Mirror: http://www.sendspace.com/file/rw675m ~(77MB)
Original Files: Coldboot.raf, Coldboot_multi.ac3, Coldboot_stereo.ac3.
Custom Files: Coldboot.raf, Coldboot_multi.ac3, Coldboot_stereo.ac3.
Conversion Tools: Static Raf Converter 1.0, Xvid4PSP.
Original Media: Original Rebug PNG, 2 Edited Rebug PNG’s (Edited by myself), Rebug Boot Sound MP3 (Created by myself)
Editing Boot Image: Open Easy Static Raf Converter, pick your image, edit its position, save.
Editing Boot Sound: Open Xvid4PSP, select a music file, trim to 8 seconds, encode with AC3 640K settings, save once as “coldboot_multi.ac3″, then save again as “coldboot_stereo.ac3″ so you have 2 ac3 files.
Flashing to PS3:
Reverting: Simply flash the 3 coldboot files from the “Original 4.30.2 REX” folder.