Go to affiliate settings page, and place your Kontera affiliate ID in the appropriate field on your. IMPORTANT: In the Kontera signup form do not enter hubpages.com as the website URL, instead use the URL to your HubPages profile page.
Kontera is turned off by default for all hubs. You can enable or disable it for individual hubs by editing them, and changing the Kontera setting next to Ad Level. You can also turn it on or off for all of your hubs together on the affiliate settings page. Text link ads will only appear to readers that are not signed in to HubPages. You must sign out in order to see if Kontera is working on your hubs!
You can find more information about Kontera in general in the Kontera Knowledgebase.