This article is under development... I'll probably add more soon.
Install bridge-utils (rpmseek.com)
rpm -i bridge-utils-1.0.4-4.i586.rpm
This script shares your computers wifi card as an access point:
# KERNEL MODULE RELOAD
modprobe -r ath_pci
modprobe ath_pci autocreate=none
# CREATE VAP AccessPoint
wlanconfig ath0 create wlandev wifi0 wlanmode ap
# Set speed mode
iwpriv ath0 mode 11g
# Set ESSID / FREQUENCY / CHANNEL / KEY
iwconfig ath0 essid myessid
iwconfig ath0 freq 2.412G
iwconfig ath0 channel 1
sleep 1
# IFCONFIG
ifconfig ath0 up
ifconfig br0 down
# Bridge
brctl delbr br0
brctl addbr br0
brctl addif br0 eth0
brctl addif br0 ath0
brctl setfd br0 1
sleep 1
ifconfig br0 192.168.1.101 up