The phrase "advertisement over" is correct and usable in written English.
It can be used to indicate that an advertisement has concluded or is no longer being shown.
Example: "After the advertisement over, the show resumed with the next segment."
Alternatives: "ad finished" or "commercial ended".
Republican supporters in Florida sought to capitalize on Democratic charges of voter intimidation with a radio advertisement over the weekend.
Senator John Kerry, Democrat of Massachusetts and the party's standard-bearer in 2004, called the advertisement "over the top".
Meanwhile, anyone who has placed a classified advertisement over the last 13 months will receive a free five-line ad.
But Kathleen M. Rice, the Nassau County district attorney, has fought back, releasing a tough television advertisement over the weekend tying Mr. Schneiderman to a dysfunctional Albany legislature.
"THEY said you couldn't create islands in the middle of a city," shouts a property advertisement over a jammed Dubai motorway.
Jim Gerace, a Verizon Wireless spokesman, said organized labor had also violated the agreement by hiring a plane to carry an advertisement over the New Jersey shoreline that said, "Hey Babbio: Can you hear us now?" Lawrence T. Babbio Jr. is the vice chairman and president of Verizon Communications.
Mr. Bush and his wife, Laura, screen early cuts of campaign advertisements, brought over by his media adviser, Mark McKinnon, in the Yellow Room of the family residence.
The switch, part of a citywide exhibition called Commercial Break, kicks off Public Art Fund's 40th anniversary season with disruptive, artful advertisements taking over the city's largest and most technologically advanced screens.
For holding the media, the news channel, all advertisement, and go over and over with lie statements in the newspapers, to putting the media.
A year later, some of the images are resurfacing once again and will almost certainly be used against lawmakers in television advertisements over the next five months.
Already, Freedom's Watch and MoveOn have clashed through competing advertisements over Gen. David H. Petraeus's war progress report to Congress earlier this month.
