I figured since Omnistar Affiliate is called at the payment section, this would be the correct section to post in.

Currently we have omnistar affiliate all setup correctly, and it correctly tracks the clicks for each affiliate program. However we are having a problem with tracking the amount paid.

In the define_checkout_success.php I added the following....
<img src=http://www.FULLURL.com/affiliate/sale.php?amount=<?php echo $order_summary['order_total']; ?>&transaction=<?php echo $order_summary['order_number']; ?> style='visibility: hidden'>

For some reason it is not sending the order amount to the affiliate script. Am I using the wrong variable or? I contacted their tech support and they said I put it in the correct page and we did some troubleshooting and it looks like the amount is not being carried.