Casino game thumbnails should behave like profile pictures because both need to...

https://wiki-legion.win/index.php/How_to_Stop_Two_Unrelated_Games_from_Looking_Similar_in_the_Lobby

Casino game thumbnails should behave like profile pictures because both need to grab attention quickly on small screens. Focus on one clear focal point to make the image instantly recognizable. Use strong contrast to help the thumbnail stand out