from 2013 or so, making that title anachronistic! Planto seems to be engaged with something, and consequently not watching for uninvited guests.
Although having said that, judging by the lack of clutter compared to that comic strip, I increasingly think bix has here broken into someone else's home and is downloading ludicrous amounts of paid content. The painting is either a coincidence or some sort of mocking signature for the room's proper owner to discover. It is probably a cheap print taped over the proper picture.