MAPPING an image, is there another way to do that ?

Importing images worked perfectly, Thanks to Simeon for his reply. Now what about performing à mapped image I am about to program à course for my students in whome iI havé curves and at any portion related explanations are givin With possible links to web pages. I am about to put the curves as background images, to delineate portions on m’y curves and by searching using image.get the color I will get m’y maps. is there an other issue?