The One Where Phoebe Runs - S6-E7
Visible crew/equipment: When Phoebe bends over to tie her shoelace before the first run, and later when she surprises Rachel at the park while running, the mic pack bulge under Phoebe's top can be seen on her back, and when Rachel bends over there's a bulge at her back as well. It's also a bit noticeable the third time they run.
The One Where Phoebe Runs - S6-E7
Visible crew/equipment: When Chandler is cleaning the apartment, you can see a camera on the right of the screen.
The One Where Phoebe Runs - S6-E7
Visible crew/equipment: At the end when Ross is talking about his computer thing with Janine, a boom-mic can be seen above their heads. (00:21:55)
Answer: The painting doesn't have a name, and if it does it is never mentioned in this episode.