I like where you are going with this. I think the design is good enough for now, once you fix the issues with image caching and button placement. For these typ

I like where you are going with this. I think the design is good enough for now, once you fix the issues with image caching and button placement. For these type of sites to work, however, you need some sort of instant gratification. After clicking on thumbs up or down there has to be a small indicator on the next page of what the average score for the previous image is. Once you add that I promise engagement will go up.