Here are a few articles we've prepared on technical topics which other people may find helpful.
Last Updated : January 2011
Here are some handy links that came in useful for blocking ads and spyware directly on the router using blacklists.
Built-in Ad Blocking on DD-WRT router firmware
Blocking Unwanted Parasites with a Hosts File
Ad Blocking using BIND and other nameservers
Convert hosts files to BIND zone files
How to remove advertisements with pixelserv on DD-WRT