Hi Mgrlboro, Click on "my account" option click "edit" button of your wishing hub (in which you like activate konetra ).
In "setting" tab
see this line "Show Kontera Textlink Ads on this Hub"
now click on box for activating Konetra ad for your hub.
or, you want activate kontera adlinks for all your hubs click on " my account " option top right side in hubpages site.
Click on " Affiliate Settings " under "Your Account" Option
Here, see at the end of the page "Kontera Specific Settings"
& choose " Enable Kontera on all my hubs " & also select checkbox of "Enable Kontera on my new hubs by default" option