I moved your thread to the stock forum. Please post here for your type of request, you will find help here. The stock contributor forum is for contributor's questions.
Both files are vector files, so you need to use Illustrator for using those to their full extent, or you need downloading the JPEG files. The files themselves are probably OK (I did not check them), but what you are seeing are the low-resolution previews that were embedded by Illustrator.
ABAMBO | Hard- and Software Engineer | Photographer