I just want to let you know the problem I run into when using your plugin.
I installed this plugin on my development site on XAMPP. Testing it a bit, everything seems okay. Then, I tried to install it on my live site. And... I can't activate it on my live site. I got this message:
Plugin could not be activated because it triggered a fatal error.
Fatal error: Call to a member function add_cap() on a non-object in /home/mysite/public_html/wp-content/plugins/adrotate/adrotate-setup.php on line 35
Do you know what's happening?