I'm sure you can find someone on staff who would be willing to verify adverts. As I've said before, I don't think we should get rid of as slots completely. At the worst measure you could just refuse bids from any companies that you're possibly unsure of or are even remotely questionable, but this would still seem extreme to me.

I still think you should consider putting a more prominent banner advert at the top of a couple of the more popular sub boards, especially the Gambling Section. It's seemingly mostly gambling sites that bid on the auctions anyway and it's usually from reputable casinos so there's not much issue with them. I'm sure that banner would attract a premium price as many casinos seem to quite obviously want to target their audience there (and we see this with their signature campaigns where they often require x amount if posts in the gambling section or pay more for ones in there). You could even maybe sell it for a fixed price or issue them for longer periods of time like monthly, quarterly or bi-annually or something so you didn't have to waste too much time on them.

A lot of the time the ad slots do go for quite cheap, but the slot isn't very prominent in my opinion, hence why most probably prefer signature campaigns. I've actually even had numerous people over the years enquire why we don't have ads. They probably just blend in as another signature to most.