If you've been looking at the pricing profiles closely (and the tutorials), you'll have noticed that PhotoDeck downsizes the images upon delivery, when a size is unambiguously specified (e.g. for RF profiles, or for Web use in RM profiles).
Now we have made it much easier than before to understand and manage what is delivered upon purchase:
You can define a size in KB/MB, in which case the image will be resized to exactly your specifications (1 Mpixel = 3 MB).
Alternatively, you can define a pixel size, as well as whether the delivered image should fit within that size, or should be just big enough so that the defined size can be cropped without resizing.
For example, if your original image width/height ratio is 3:2: - 100x100 px (min) will deliver an image of dimensions 150x100px - 100x100 px (max) will deliver an image of dimensions 100x67px