I'm on the same mood as Xanlosh after playing this game. I was wandering around for 2 minutes after collecting the orbs, wondering if there was a following. The concept can be easily enhanced : for example, the more orbs you collect, the more paintings go to life and pursue you.
Also, you could change the orbs for something with a link with art and paintings. That can be a brush, or even something more interesting : a little sheet of paper with the description/meaning of the painting it awakes (to link this idea with the last).
Anyway, it was just some suggestions in the case you are planing to continue your game.
However, good work, enjoyed the game =) ! Hoping to see you in future jams.