I stuffed for the Prophet (ﷺ) a pillow decorated with pictures (of animals) which looked like a Namruqa (i.e. a small cushion). He came and stood between the two doors and his face began to change. I said, "O Allah's Messenger (ﷺ)! What did we do wrong?" He said, "What is this pillow?" I said, "I have prepared this pillow for you, so that you may recline on it." He said, "Don't you know that angels do not enter a house wherein there are pictures; and whoever makes a picture will be punished on the Day of Resurrection and will be asked to give life to (what he has created)?"
Sahih al-Bukhari Book 59, Hadith 35
← Previous Hadith The Prophet (ﷺ) said, "Angels keep on descending from and ascending to the Heaven in turn, some at night and some by daytime, and all of them assemble together at the time of the Fajr and `Asr prayers. Then those who have stayed with you over-night, ascent unto Allah Who asks them, and He knows the answer better than they, "How have you left My slaves?" They reply, "We have left them praying as we found them praying." If anyone of you says "Amin" (during the Prayer at the end of the recitation of Surat-al-Faitiha), and the angels in Heaven say the same, and the two sayings coincide, all his past sins will be forgiven."

Sahih al-Bukhari Book 59, Hadith 34 Next Hadith → I heard Allah's Messenger (ﷺ) saying; "Angels (of Mercy) do not enter a house wherein there is a dog or a picture of a living creature (a human being or an animal).

Sahih al-Bukhari Book 59, Hadith 36