When testing retargeting creatives for cam affiliate offers, it's good to compare different ad styles to know which one works better. You can create two or more versions of the same ad with slight changes. These changes could be in the image, headline, call-to-action, or even the color used in the background. Run each version to the same type of audience and watch how they perform. Check which one brings more clicks or leads. Also, it helps to show different messages depending on how the visitor interacted with your landing page. For example, someone who clicked but didn't sign up may respond better to a softer message or an offer. Keep your test simple at first so it's easier to understand what works. Then you can slowly improve based on the results. There might be more useful ways others are testing theirs. What has worked best in your experience?