Why does the cashier say "Make Your Own Video" when the store is clearly called U R Da Star?
Among the portraits you see in the store is one of Elton John. Among the costumes is the hat worn by Slash. In the magazines are pictures of Phil Collins and Yoko Ono.
The four covers are:
How come it's the right hand that's photographed here?
The music playing as the magazine covers are shown is the one used in recycling commercials where the aluminum can is being recycled and becomes a bat or some other thing.
Why did Ben Affleck have a South Park face this time around?
Bebe's boobs are back to normal.
On the blackboard are equations denoting the sum of squares, and one problem showing the square root of a number.
Cartman's door opens away from him in this episode. Usually, it swings TOWARDS him so that people entering his room don't see him right away.
Pellegrino and Evian are two mineral waters. Pellegrino is from San Pellegrino, an Italian mineral water.
Why didn't Cartman's mom go after Ben Affleck?
La Taco is a spoof of Taco Bell, and Taco Bell's famous "Run for the Border" line is mentioned in "Jennifer Lopez"'s song, "Taco-Flavored Kisses." La Taco should be El Taco, which would make it a spoof of Del Taco.
"I had six platinum records and I starred in five Hollywood movies!" - she has indeed had six platinum albums, but she's been in more than five Hollywood movies. Here's her IMDb listing.
"Jennifer Lopez" is based on the puppets made by Seņor Wences, who was a Spanish ventriloquist who appeared regularly on the Ed Sullivan show for years and later in his career did commercials. The face on Cartman's hand is based on Wences' masterpiece, Johnny, which he created by scrunching up his fist, drawing a mouth where thumb and index finger met, and draping a blond wig over the top. The lines, though, are based on Pedro, the original puppet whose head survived in a box.
"Will I dream?" - HAL from "2010."