Ad Sizes and Guidelines
Ad Unit Description Dimensions Size Guidelines
Dynamic Site Skin 336x768 (left and right) 150KB per side
Pre-roll Video 300x250 50KB for .swf, 1.9 MB for .flv
Leaderboard 728x90 50KB .swf
Medium Rectangle 300x250 50KB .swf
Large Rectangle 300x600 50KB .swf
Wide Skyscraper 160x600 50KB .swf
Skyscraper 120x600 50KB .swf
Banner 468x60 50KB .swf
Editorial Ad  Text and small image 200 characters or less
Anchor Ad  800x100 50KB
Pushdown 
• .gif, .jpg, HTML, and .swf accepted on all ad sizes.
• Flash files should be Actionscript 2.0 for optimal performance.
• Should utilize Macromedia Flash Tracking Kit (clickTAG).
• Ad banners should not play sound or pop additional windows without user interaction.
• We permit IFRAME/JavaScript tags for third party serving.
• Video/Animation should be no longer than 30 seconds / 3 loop max.
ESRB PLACEMENT GUIDELINES
+ Seperate icon from descriptors and place below icon.
+ Icon should be placed 200px minimum from bottom of site skin.
+ Icon can be no smaller than 65px in height.
+ Icon should be placed a 1px maximum from inner edge of site skin.
+ Descriptors must be no smaller than 9px
Proper ESRB rating icon placement on site skins built for the CPMStar Network.
ESRB Ratings placed on site skins