Modified Photopost feed shows latest updated categories rather than latest photos (default).
Auto Pictures - Wallpapers Gallery
We upload pictures to our Auto Gallery
regularly (over 55k pictures) and if a category would end up with 100 or 200 pictures, those pictures would stay in the feed until set of 50 or 100 pictures were uploaded in another category (to reflect change). Now, you see 50 recent pictures from 50 latest updated categories. It gives a vibrant feel to the homepage of the site as well.