I think that the images are actually very good and I hope that you enjoy them!
To download your images is very simple! There is an arrow pointing down on the top right corner of your gallery. Click on it and type your e-mail. The website will prepare a folder with all your files and send you a link for download.
To download a single image, click on the image you desire to download and look for the same arrow on the lower part of the image. The file will prompdlty download to your computer.
Let me know if you need help downloading them.