This could mean something different to everyone. To fans of the hit Showtime show Dexter, it is what he lovingly nicknamed his Psychopathy. Today I'm going to address another Dark passenger... Depression.
Time is a really popular theme in photo manipulation. The most used item is the clock that is creatively added in most of the time inspired photo manipulations. Another item is the hourglass that is also used to depict the time passing illusion. Here you have an interesting time Photoshop tutorial that you might want to check out.