Sahih Bukhari
Prayers (Salat)
Volume: 001 / Book Number: 008 / Hadith Number: 371
Narrated Anas:
'Aisha had a Qiram (a thin marked woolen curtain) with which he had screened one side of her home. The Prophet said, "Take away this Qiram of yours, as its pictures are still displayed in front of me during my prayer (i.e. they divert my attention from the prayer)."