Highlight below for Stage #4 hints:

This is the first puzzle that requires you to search for some outside information to solve. The three images outside the grid are linked somehow, and the one with the arrow is more important, somehow. Finding this connection is the big key to the puzzle.

See anything wrong with the picture? It may only be useful once you find the link, though.

Also, you are probably thinking of one of the three pictures incorrectly... you need a certain exact thought for each picture in order to make a link.

This is somewhat of a "trivia" like riddle. If you are making a trivia riddle, you'll probably want to use things you know a lot about, right? Well...