No way to add rotating ad banner in OSCLASS ?

[zerotechz]

I'm using the osclasswizards theme and trying to get it set up but would like an ad banner set up that rotates a few banners to advertise businesses around my area...I'm not wanting Google Ads but am wanting to create images for the container...I've looked through google and can't seem to find anything over this subject..I've found a few things here and there and they don't work...Is it possible to do this ? If so could someone give me a good tutorial as to how to do it? Surely it's possible