Picard is never seen painting again. A deleted scene had Picard throw red paint at his painting after Data's crushing criticism of his work.
Source of the widely popular Riker face-palm meme. When Manua's story is being displayed in the holodeck, Riker becomes uncomfortable.
The Tanuga IV Science Station model was also used for Space Station Regula 1 in Star Trek II: The Wrath of Khan (1982), and (turned upside down) also for the Orbital Office in Star Trek: The Motion Picture (1979).
The set regularly used for the observation lounge was redressed to serve as the art studio as seen in the teaser. The table and the wall with the models of the ships named Enterprise were removed making the room a lot bigger.