Go into recovery mode.The open hidden files
http://www.pspmod.com/forums/psp-mis...flash-0-a.html (How to: Browse all files in flash(0))
Advanced/flash 0 then copy & paste flash 0 files to your comp.
If you want to run custom themes without worrying about semi-brick run CXMB.
It says yor running OFW,you need CFW to back up your psp.
CXMB link
http://www.consolespot.net/forums/ps...selection.html
.ctf themes
PSP Themes Releases - Console Spot Forums - PSP DS PS3 Xbox 360 Wii XMB