使用jquery在四个子div之后动态创建单个div中的多个div

I am creating dynamic div and image tags, there is a parent div and it contains multiple rows which is represented by row-fluid, row-fluid contains other two divs as shown in image, each row contains four of these images, but the problem is i have to create row-fluid initially, but after that it will only be created after four images have been displayed in that div and appended to it, in that sequence only i have to create it, below is the code i am using, Please my issue. Thanks in advance.I am creating dynamic div and image tags, there