Then he said to me, Mortal, dig through the wall; and when I dug through the wall, there was an entrance. He said to me, Go in, and see the vile abominations that they are committing here. So I went in and looked; there, portrayed on the wall all around, were all kinds of creeping things, and loathsome animals, and all the idols of the house of Israel. Before them stood seventy of the elders of the house of Israel, with Jaazaniah son of Shaphan standing among them. Each had his censer in his hand, and the fragrant cloud of incense was ascending. Then he said to me, Mortal, have you seen what the elders of the house of Israel are doing in the dark, each in his room of images? For they say, "he Lord does not see us, the Lord has forsaken the land. He said also to me, You will see still greater abominations that they are committing. (NRSV 8:8-13)
Then said he unto me, Son of man, dig now in the wall: and when I had digged in the wall, behold a door. And he said unto me, Go in, and behold the wicked abominations that they do here. So I went in and saw; and behold every form of creeping things, and abominable beasts, and all the idols of the house of Israel, portrayed upon the wall round about. And there stood before them seventy men of the ancients of the house of Israel, and in the midst of them stood Jaazaniah the son of Shaphan, with every man his censer in his hand; and a thick cloud of incense went up. Then said he unto me, Son of man, hast thou seen what the ancients of the house of Israel do in the dark, every man in the chambers of his imagery? for they say, the Lord seeth us not; the Lord hath forsaken the earth. He said also unto me, Turn thee yet again, and thou shalt see greater abominations that they do. (KJV 8:8-13)
These "rooms of images" seem to be more than just a literal representation of idolatry. They also indicate the inner idolatry going on within people, in secret. Their hearts are set on their own images, not on God. The language here shows just how horrible and disgusting God considers idolatry to be.