"Through countless discussions surrounding atheism, it has become apparent that someone must be feeding bad advice to atheists. Since the following errors are made repeatedly, this partial list has been populated to warn atheists of this underground movement in order for them to avoid these pitfalls. If you are an atheist and hear any of the following advice, realize that if used, it will be harmful to your cause." - Doug Eaton
Doug Eaton and the Apologetics.com staff dedicated an entire show to this issue.
Full MP3 audio here.