ad-work set up

I am trying Ad_Network for first time and I have some dificulties, probably lack of experience
> but I double check your guidelines and can't find the problem.
>
> see below the location of each file and code.
>
> Banner URL
> http://www.discountorlandotickets.net/ads/Banner1.jpg
>
> http://www.discountorlandotickets.net/ad_network_ads_175.txt Permision 777
>
> http://www.discountorlandotickets.net/ad_network_ads_175.php Permision 755
>
> http://www.discountorlandotickets.net/index.htm
>
> php code intalled: (index.htm page)
>
> <?php
> ini_set ("include_path", ini_get ("include_path") .
> ':../:../../:../../../:../../../../');
> include ('ad_network_175.php');
> echo $ad_network[0];
> ?>
>

ads did no show up at all?
> Any help will be greatly appreciated.