Can anyone help me with forced ads??

I currently have a hosting service and offer free hosting but I dont know how to make forced ads...I have contacted my hosting support and they said I could have them but I would have to set them up. The problem with this is, is that I dont know how to set them up. Thanks in advance.

The easiest way is having a note in your TOS that your ad must be at the top of the page and then setup a php script that goes once a week to every site and looks for that code at the first of the page. If the codes not there have the script email you saying its not and then you can go and suspend the account or do what ever your plan of action would be.

Electronics,

are you looking to make a pop-up or under come on every page? You can do this with apache.

All I want is to have a forced banner placed at the top of every page. If I need a script where would I get one?

If your planning on using someone elses script changes are it will cost (unless you find an open source one). Simplest way is to learn some php the way I mentioned.