Admix's vision is to become a platform for you to build the best advertising experience, based on your goals. For example, it could be maximizing revenue, or minimizing user disruption. Once you master the basic functionalities of what Admix can offer, there are many things you can do to create the best possible experience.
Ads look a lot more realistic with a frame or support around it. You can design your own supports following our placements dimensions or find templates in the Unity Asset Store.