When logged in, your rec.net feed should be filled with photos of players whom you either:
Subscribed to
Liked many of their previous photos
Friends with
Played many of their rooms
Cheered them or their photos in the recent past
Played with for long periods of time
Took many photos with
Attended their events
These selected examples should be valued differently in terms of what you will see. With playing someones room, event, or taking a picture with them the lowest. And liked previous posts, friends with, and playing with them for long periods of time the highest.