Show all of the photos belonging to one user that another user has marked as a favorite. You can use each person's username, email address (used to sign up to Flickr), or user id.
Billboard, Calendar, Hockneyizer, Movie Poster, Photobooth, Color Palette Generator, Map Maker, Trading Card, Cube, Badge Maker, Mat, Motivator, Magazine Cover, Wallpaper, CD Cover, Pocket Album, Framer, Pop Art Poster, Jigsaw, Lolcat Generator, FX, Mosaic Maker, Bead Art,
I know, right? It's a lot to take in. Go slow.