Adsmain Affiliate Help with code

[ingleknifeshop]

I'm using adsmain affiliate network. They gave a code to put on my site. Am i post to put it in the order-confirmation.tpl ? Were do i put the code at? Code is below

 

 

<!-- Offer Conversion: Ingle\'s Knife Shop (US) (incentive) -->

<img src="http://tracking.adsmain.com/SLY3?amount=AMOUNT" width="1" height="1" />

<!-- // End Offer Conversion –>