My suggestion is to have the ads show only after the latest post in a thread and make sure they are relevant to that thread. For example, only tz-linked mods would be in a tz thread. You might consider changing the color scheme of the ads as well.
Pinside has been a valuable resource to many people, ranging from buying and selling games, tech support, introducing new products, interaction with manufacturers nd even making new friends in the hobby. The tone of some people seems unwarranted. Relax, it's only pinball!