&Num=[number] will change the number of pictures shown in the ad.
&BGColor=[hex] will change the background color of the ad.
&TextColor=[hex] will change the color of text shown in the ad.
&LinkColor=[hex] will change the link color in the ad.
&NN will change the images to non-nude for use on non adult sites
&Size=s will use the smaller images for tighter spots on your site
&V will change the orientation of the banners from horizontal to vertical
here are the options...
http://iframe.adultfriendfinder.com/...?Pid=p904&NN&V
here is verticle