Main page features a like and dislike button for each image. Like what looks good.
Press done when you are finished liking foods, which brings you to a list of all the images that you liked.
Press reset if you made a mistake or want to start over again.
Click on any of those image's links in order to see some more information about it, and where you can find it.
(Ctrl + click image's links in order to be able to go back to the images that you liked.)