1. A computer implemented method comprising: receiving constraint information relating to one or more images to be used in content provided on one or more operating environments; providing an image portion selection tool for selecting a portion of an image satisfying one or more constraints for an image imposed for an operating environment; receiving a selection of an image portion; and updating selected image portion information based on the selected image portion, the selected image portion information used to provide the content with the selected image portion on the operating environment, wherein versions of the content for different operating environments comprise different image portions according to the selected image portion information.