Bing gives a bit of a boost to the visual aspect of its ads by enabling Image Extensions, with up to six images.

This new ad extension from Bing Ads enables you to upload up to 6 images alongside your ad copy and any other extensions. Image extensions are available across all markets and images will serve on both PC and Tablet across the Bing network. Bing Ads Now Has Image Extensions [advertise.bingads.microsoft.com]

Here are a couple of examples.