Casino game thumbnails should behave like profile pictures because both appear...

https://casinocrowd.com/how-to-design-the-art-and-title-as-one-composition-for-impactful-thumbnails/

Casino game thumbnails should behave like profile pictures because both appear small on screens and need to stand out instantly. Use a single clear focal point to draw attention quickly. High contrast helps the image pop, even on dim or busy backgrounds