[ZoomZoomZoom]

- "The artist did have something in mind when painting these pictures: to paint pictures where only the viewer is meant to decipher the meaning."

- "He or she also did paint something aesthetically pleasing so there seems to be a lot of intention on that part as well."

Sorry, you're probably wrong on both assumptions. Playing with viewers is not common and is a genre thing. Aesthetic pleasantness is also not a required requisite of an art piece and as an intention may stand in conflict with honest self-expression.