Showcase Specialties Branding Long Leaderboard – 1090×135 pixels – jpg (non-animated) Medium Rectangle – 300×250 pixels – html5 Large Rectangle – 336×280 pixels – html5 Leaderboard – 728×90 pixels – html5 Leaderboard – 728×90 pixels – non-animated Half Page ad – 300×600 pixels – html5 Billboard – 970×250 pixels – html5