Nope, I do not. What image in the conversion dialog? What has images in the conversion dialog got to do with anything?
I assume you mean the conversion output. And I already told you why you get a cover in the conversion output even with that option on. Once again, if you dont want a cover:
1) Delete the cover in calibre via the edit metadata dialog
2) Turn on that option in the conversion dialog
And that's it for me in this thread, I really cant spend more time repeating myself. If you want more help, follow the instructions in:
https://www.mobileread.com/forums/sho...d.php?t=186697