Volume 7 · Book 72 · Hadith 842
Narrated Anas: Aisha had a thick curtain (having pictures on it) and she screened the side of her i house with it. The Prophet said to her, "Remove it from my sight, for its pictures are still coming to my mind in my prayers."
— Sahih Bukhari, Volume 7, Book 72: Dress, Hadith #842