Do you prefer a thumbnail for my ASMR vids, or just a black .. (OnlyFans)

Do you prefer a thumbnail for my ASMR vids, or just a black screen? I ask because I usually prefer a dark screen so I can rest and not be disturbed by light but I feel like a thumbnail could be cool too. Dropping an ASMR JOI vid tonight btw :3 first time using the 3DIO