The One With Joey's Award - S7-E18
Continuity mistake: When the student is telling Ross he is in love with him, Ross arms are crossed one way, and in another shot they are crossed another. (00:04:00)
The One With Joey's Award - S7-E18
Continuity mistake: When Rachel walks in on Joey with the syrup bottle, he sets it down. In the next shot, he is holding it again. (00:05:10)
The One With Joey's Award - S7-E18
Continuity mistake: When Rachel and Joey are talking, the syrup bottle moves from the label facing Rachel to the label facing the camera. (00:05:50)
The One With Joey's Award - S7-E18
Continuity mistake: When Joey sets down the award he sets it at a straight angle to the counter edge, but when Joey catches Rachel about to pick it up it is angled and not straight. (00:13:45)
The One With Joey's Award - S7-E18
Visible crew/equipment: When Monica and Chandler are talking in the living room, Monica asks if there is 'anything you'd like to talk about, or share.' On the left of the screen the shadow of a boom mic can be seen moving on the lounge cushion. (00:17:20)
The One With Joey's Award - S7-E18
Continuity mistake: When taking Jessica's award, Rachel opens the door. But when the camera cuts, Joey is first through the door. (00:18:40)
The One With Ross and Monica's Cousin - S7-E19
Continuity mistake: When Monica comes into Phoebe's apartment for her Surprise Bridal Shower, the view of the hallway outside the apartment is a dead end on the right side (the left side cannot be seen), however, in S7:E12 (The One Where They're Up All Night), both when Phoebe is disposing of the fire alarm and when the fireman is at the door, it is clear that there is another apartment opposite hers, as well as a trash chute on the right side. (00:18:25)
The One With Ross and Monica's Cousin - S7-E19
Continuity mistake: When Cassie shows Ross her freckles on her shoulder, her hand positioning changes between shots.
The One With Rachel's Big Kiss - S7-E20
Continuity mistake: When Melissa and Rachel are first reunited at the Central Perk, the way they hold their arms (crossed, hands on hips, etc.) changes with almost every shot. (00:00:45)
The One With Rachel's Big Kiss - S7-E20
Other mistake: Matthew Perry supposedly really likes wearing a tux that turns out to have been made for Diane Keaton. Except that Diane Keaton is 5'7" and Matthew Perry is 6 feet tall, and also considerably larger than the very slim Diane. He wouldn't even be able to put it on.
The One With The Vows - S7-E21
Continuity mistake: After Monica says "Oooh can we lie in our vows?" it cuts to Rachel then back to Monica leaning on her hands, but when it goes for a close up she is holding the pen in her right hand, there isn't enough time for her to naturally pick it up. (00:03:10)
The One With The Vows - S7-E21
Visible crew/equipment: When Monica and Chandler are in the coffee house after they've finished their vows, there is a microphone and another piece of equipment moving outside behind Chandler. (00:19:40)
The One With Chandler's Dad - S7-E22
Revealing mistake: When we first see the Porsche, there are smear marks on the bonnet from previous takes of Ross diving across it. (00:04:35)
The One With Chandler's Dad - S7-E22
Revealing mistake: The number (licence) plate on the Porsche changes between the time it is outside the coffee shop (YSO 791) and the time Rachel and Ross are driving on the highway (JGL 334). (00:04:35 - 00:13:00)
The One With Chandler's Dad - S7-E22
Continuity mistake: When Monica receives her gift from his father, the Porsche, it's gray. When Rachel takes the keys from Ross' jacket and gets into the car in this episode, the Porsche is black. (00:04:49)
The One With Chandler's Dad - S7-E22
Continuity mistake: When Ross is in the car with Rachel he sat in the back you can see him he has his arms crossed and then when the camera cuts to the front view he is holding the seat in front. (00:04:50)
The One With Chandler's Dad - S7-E22
Continuity mistake: When Ross and Rachel are out in the Porsche it is dark outside, but when it later cuts back to Joey in his apartment stealing Rachel's underwear it is broad daylight. It is also light outside when Joey and Phoebe are talking at the coffee house later on. (00:10:30)
The One With Chandler's Dad - S7-E22
Continuity mistake: When Monica and Chandler are in Vegas waiting for the show to start, Monica's wrap goes from high up on her shoulders to half way down her upper arms between shots. This happens more than once. (00:12:40)
The One With Chandler's Dad - S7-E22
Continuity mistake: When Monica and Chandler are in Las Vegas watching the burlesque show, Chandler turns the light on the middle of the table off to "hide" from his Dad. When Monica calls out saying "Waiter. Waitress.", the light is suddenly back on and remains on for the rest of the scene. (00:15:50)
The One With Chandler's Dad - S7-E22
Continuity mistake: When Joey is talking about all the different fabrics, the magazine Phoebe is holding keeps changing position. (00:17:00)
Answer: The painting doesn't have a name, and if it does it is never mentioned in this episode.