Help...

so i have a powerbook g4, a 2 gb flashdrive, a friends ibook, internet connection and an ethernet cable. i foolishly used the pacisfist program to manually reinstall the mac os 10.4.8 update (or whatever thelast update is) This broke one of system files(ithink windowserver) andnow my computer only boots up with Darwin/BSD console interface. as i am Turkey and do not have a firewire cable or an installation cd I dont not know how tofix my computer. sstarting up in safemode did not works.isit posssible to make a boot disk with my 2gb flash drive or with a network startup? any help would be great