Just messing around with the facebook app tonight.
***This update.zip works with all versions of Android***
***This was tested in sprecovery, if using clockwork to install be sure to backup before installing.***
To install using update.zip format:
-rename facebook_update.zip to update.zip
-place update.zip onto the root of your sdcard.
-Reboot your phone into recovery (turn phone off, hold x on the keypad then press the power button on the droid. Keep holding x until you are in recovery.
-Use the D pad to navigate down to install, choose install
-select Allow install update.zip
-select Install update.zip
-Once the message says complete.
-Press the power button twice to go back to the first menu
-select reboot phone.