These are just like the regular Google Display Ads, available as standard banner ads and rich media ads. You can use topic categories and keywords to specify where you want these banner ads to appear. Bright, colorful images that will grab the eye are best practice.
Creating YouTube video ads is easy and completely free – you can shoot it yourself for a homebrewed feel, or hire some help for a crisp, professional look.
In-video overlay ads appear as pop-ups within existing contextually targeted videos that are targeted by selected queries. Destination URLs within in-video ads can go to locations outside of YouTube.
The Ads that Pop Out When You're Watching Your YouTube Videos Probably the most popular YouTube video ad format, in-stream ads play your ad before or during another video from a YouTube partner.