run firstboot
cd /tmp
wget http://www.maxwrt.com/maxwrt.tar.gz
gzip -d maxwrt.tar.gz

basically now you need to export a smb share (samba o windows..) with the name maxwrt deally with not user/pass since thats how i tested it, but it is ready to configure with it

the configuration file is maxwrt.conf
tar -xf maxwrt.tar

then just create a folder named maxwrt off c: and share it to everyone with name maxwrt the name NEEDS to be: maxwrt

now you edit maxwrt.conf

and edit the sharedip, there you put the ip of the windows serving the folder
the rest you dont need to touch

if you are sure everything is correct now then:
./maxinstall

reboot

now do a : free to see available mem there should be a pretty 32mb swap

ipkg update
try: ipkg download tcpdump
ipkg install tcpdump

max tcpdump