Originally Posted by Shap

I recommend bigger thumbnails.
Limit your mainpage to only 1 picture from a user (their best rated). Why? Because you can get flooded by one uploader/pussy that could drive traffic away.
Maybe even have the first thumbs you display your top 30? then new ones below that?
I'd make your page scroll more. In 2015 there is no harm in long forever scrolling pages. As long as you have it load only as the scroll hits it.