Thanks for the responses.
I've checked out phpadsnew before, but I don't think it will work for what I want to do. I want to have text along with the pictures. Again what I'm going to write is really quite simple I just was unsure about the languages and such. SSI looks like the way to go, I'll check it out.
I'm going to do this in PHP/MySQL. It will have an interface for the retailers to add and remove their advertisments, probably with some sort of reporting option. I'm sure someone here will find use in this, so when I'm done I'll release to the community, least I can do for all the hacks we use.
Thanks, Jon