Some of Publisher sites for ad placements, across various channels

Gaming:
Fpsbanana.com
Steamfriends.com
Gameconnect.eu
Freeonlinegames.com
News:
Ynetnews.com
Mojawyspa.co.uk
Socialdailynews.com
Casino:
play65.com
play89.com
Europacasino.com
Casino.com
Casinofan.com
Casinotropez.com
Casinoking.com
Sports:
Eastsideboxing.com
Fanball.com
Skateboard-city.com
Trytime.tv
More:
Nexopia.com
fotoflexer.com
hi5.com
gocomics.com
Flashflashrevolution.com
realgm.com
enotes.com
Tuningnews.net
TCmagazine.com