Here is a site that is updated everyday with a new pic of a girl. The cool thing is that it's optimized for handheld devices. And without further yapping by yours truly here is the site:
Modified the .ixl file to not include ads or nonsense images only babes, no unresolved link details, and lossy compression because without it the file is 2.3mb. There are the images for the month couldn't figure out how to have just one day at a time. Replace hotsync name with your own.