http://zqktlwk5ilgohy63eyrptyb4mc76bunfmxcnstkmveyjnskxkpq3b5yd.onion/wiki/Network_Attributes_Of_Your_Computer
(The thing that has to be changed from the default is to add a forward-socks4a / localhost:9050 . line to it). Newer web browsers such as Firefox 1.5 can be instructed to use SOCKS to do DNS lookups. Go to about:config and search for "dns". Set the option network.proxy.socks_remote_dns to true.