Manga - program do uzywania jpeg na kindle.

Sorry if I am bringing up a dead subject. But in case anyone else is wondering how to go about this, I would recommend Mangle. Its made for putting manga on a Kindle, but eManga are usually folders of .jpg or .png files. So it does exactly what the OP is asking for, puts a series of image files on the Kindle in a way to make it viewable.