1.Press ESC key to visible SMT window
2.Select EDIT option to Add image on cms area
3.Select CMS image logo from Right side and drag it in to Any CMS area you want to Add image
4.Click on NO FILE CHOSEN option and select file want to add on that area
5.Click on Review and Publish changes icon & Select the file you Added to area
6.Click on publish Button
I have done the above steps to add image and slide on the website , but the images are visible in SMT but not visible in website after publishing kindly help