PayPopUp.com will fill all your North American and European inventory. Each visitor will be presented with a full screen pop-up window each time they enter or leave your website. The popup window belongs to one of our pre-screened advertisers and you determine whether it’s displayed upon entry to or exit from your site. You control the process. Earn 35 cents-$1.40 CPM. This is a two-tier program paying 20% on the second tier. Commission payments via check or PayPal. Submitted by Jackie Chen..