I think you don't get to want some amount of advertisement. If the project requires it the pages should be full of them. You have already explained that money i

I think you don't get to want some amount of advertisement. If the project requires it the pages should be full of them. You have already explained that money is running out. People can donate or view ads. If things are not niche enough perhaps split off some part that can be niche enough and improve it.