Hi,
one problem on getting traffic out of a traffic exchange systems is, that some sponsors or affiliate programs that pay for views don´t pay you for such traffic, because the see this traffic in the log files.

A german traffic systems now offers a way to deliver traffic without sending a referer. for that a script maipulates the http referer so the target site will not be able to track this traffic.

The problem is, that the site is only in german language, but i think this will no problem.

the site is automatischer-besuchertausch dot de
The surfbar is not limitet and runs 24/7 without interaction.
the way you habe to add the url is described in the URL Hinzufügen Menü, where you add your url.