如何根据容器中的div数组合跨度列表

I'm farily new to jquery and can't figure out how to build a series of span elements based on the number of divs in a container. I'm trying to use the jquery.flow plugin to create a slider on a page in my site. My CMS will kick out all the images in divs, but I'd like to automatically create the necessary span elements. I'm trying to make this dynamic, allowing the user to create as many slider images as necessary. The code structure is shown here:I'm farily new to jquery and can't figure out h