Hey Creators! We’ve made a number of policy updates to the Fortnite Island Creator Rules, including updates to thumbnail images:
Updated rule 1.15 (Align with Fortnite’s Game Rating): Images and text used to promote your experience must be appropriate for a general audience (e.g. content that would merit a rating of ESRB Everyone 10+, or lower). Images that were previously approved will need to be compliant with this update.
Read more: https://www.fortnite.com/news/fortnite-island-creator-rules