[squid-users] need squid.conf verification

Hello everybody,

i'm using my box as transparent proxy from my LAN subnet (192.168.10.0) to
the internet.
my squid box have 2 NIC (eth0 202.169.39.134) and (eth1 192.168.10.1)

my client's default gateway is pointed to the eth1 (192.168.10.1)

and i 've setup rules in iptables too,
iptables -t nat -A PREROUTING -p tcp -s 192.168.10.0/255.255.255.0 --dport
80 -j REDIRECT --to-port 3128
as i checked on /var/log/squid/access.log i got few hits (especially for
*.gif, *.jpg files)

but my client's performance is still slow :-(
can somebody please see my squid.conf files is there anything wrong in my
config files ?

thanks.

inghau@perkom.co.id