Easter egg: In season five special features, go to Gunther Spills the Beans, then click right. 3 easter egg coffee mugs will appear.
Easter egg: Go on to the special features on the last disk and hit right on the first option.
Easter egg: On the last disk, on the bonus features menu, hit right twice and a coffee mug will appear. Hit enter and, for some reason, you'll get an interview with Chandler's girlfriend from three years ago.
The One Where Rachel Tells... - S8-E3
Easter egg: At the end of this episode on the DVD there is an alternative story for Monica & Chandler in the airport going on honeymoon. The story is about Chandler making a joke about a bomb in the airport. It was due to air not long after 9/11 so they changed the story in respect of that.
Answer: The painting doesn't have a name, and if it does it is never mentioned in this episode.