Desktop ribbon image:
Desktop hover image:
Mobile ribbon image:
Mobile hover image:

Leaderboard Ad:

Desktop
Ad6_970_90.png
Mobile
Ad6_320_50.png

Ad Three Tile:

AdTile3_300_250.png
AdTile4_300_250.png
AdTile6_300_250.png

Ad Horizontal:

Desktop
Ad5_970_250.png
Mobile
Ad5_300_250.png

Single Tile:

AdTile6_300_250.png

Single Vertical:

Ad8_300_600.png