Images used in Crazytalk 6 can be up to 8 megapixels (normally 3264 x 2448) in size. Any images above that are automatically reduced in size.Crazytalk 6 only works with one image per project, but in that one image you can have up to 4 characters talking. If you have several single phots you wish to combine into one then you will need to do this in an image editor prior to loading into Crazytalk.