You have something to back that up? You know for sure that the source of their opposition was as a result of muslim influence?
The Second Commandment deals with graven images and certainly predates islam. Any Christian group who opposes images doesn't need to go to islam to do so. All they have to do is look at Exodus 20.
Exodus 20
The Ten Commandments
1 And God spoke all these words, saying,
2 "I am the LORD your God, who brought you out of the land of Egypt, out of the house of slavery.
3 "You shall have no other gods before me.
4 "You shall not make for yourself a carved image, or any likeness of anything that is in heaven above, or that is in the earth beneath, or that is in the water under the earth. 5 You shall not bow down to them or serve them, for I the LORD your God am a jealous God, visiting the iniquity of the fathers on the children to the third and the fourth generation of those who hate me, 6but showing steadfast love to thousands of those who love me and keep my commandments.
At that point, you might as well say that islam got the idea from the Jews and the OT.
INDEED.
Islam did get the idea from the OT; I thought that was generally understood and accepted and completely non-controversial. They got a lot of ideas from the OT and from the NT too.
I said it was "apparently" through the influence of Islam. It could, of course, be merely coincidental that, after 700+ years of evidence of Christian use of images and no record of opposition)suddenly icononclasm sprung up independently in some Christian groups and among the newly powerful Muslims, though it seems to me unlikely. Still, coincidences do happen.