Deletes the img tag html

[GuilhermeGuiuler]

Hello, how are you?
Well then, I'm a little problem here and not know how to solve, I have a tabbed structure and a slider within that tabs has a slider within the slider has a div with an img, and I want to leave with background this div the predominant color img, however when this tabs structure> slider> div / img lib excludes the html img tag and do not know why, but when I shot this tabs structure> slider> and let out, works very well, could you help me, and it has to be this structure tabs> slider> div / html