When you're falling back to the other non-tier-one ad networks (namely outside the US), they use a variety of back-fill advertisements... Seeing as your screenshots show also in your browser window of 'gay kitten', 'gay deer', 'queer', and other similar queries, it's not surprising if that ad network is serving ads based upon cookies from other sites you have visited...
the ad people know I'm looking for gay kittens ? O_o
oh lawdy the fbeyes