When uploading multiple exposures per final image, we always ask that you group these images together (HDR groups, Flambient groups, Manual Blending groups, Panorama groups, etc.).

Below is a video tutorial on how to group images when uploading:

If you upload your images incorrectly (not grouped properly) you will be given a warning on your first and second offense and for any offense, after that, you will be charged 1/4 of a credit per image.