It is vital to add the traffic sources that you will be using so that Clickthroo can report your campaign costs, profit, and return on investment from each source. This way, you will be able to easily identify profitable traffic sources and isolate any that are under-performing.

Clickthroo integrates with a number of the most popular traffic sources, and so all you need to do is open the campaign wizard (Traffic Sources section) and select the traffic source you will be using from the dropdown list (or add your own by clicking the 'Add custom traffic source' button'):

Then, insert the traffic cost by completing the Cost Per Impression field:

Then, click continue and the traffic source is saved.

Finally, you should use the specific URL provided by Clickthroo for each traffic source. This will allow the syste to correctly apply cost and revenue data to each traffic source.

You can obtain your traffic source specific Campaign URL's from the campaign overview: