Even a casual study of commercials (at least those made in or for the United States) will reveal that they can be broken down into a number of fundamental "atomic" types or approaches. These can be used by themselves or in combinations to create advertisements.
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!!Tropes:

[[index]]
* AdvertisingDisguisedAsNews
* AppealToFlattery
* BandwagonTechnique
* MediaNotes/BeerCommercials
* BottledCool
* CelebrityEndorsement: Trying to convince the audience to want your product by having a celebrity speak fondly of the product.
* CharacterCelebrityEndorsement: Convincing your audience that your product is desirable by having a fictional character praise it.
* CommercialSwitcheroo
* ConsumerConspiracy
* DesignStudentsOrgasm
* FaceOnTheCover
* HiveMindTestimonial
* {{Infomercial}}
* KitschyLocalCommercial
* MadeOfShiny
* TheManIsStickingItToTheMan
* PerfumeCommercial
* PhonyArticle
* PhonyNewscast
* ProductAsSuperhero
* PublicRelationsAd
* PublicServiceAnnouncement: A short film intended to educate the viewer on important social subjects.
* PutAFaceOnTheCompany
* ReversePsycho
* ScapegoatAd
* ScareEmStraight: A public service announcement intended to deter people from misbehavior by claiming that terrible things will happen to them if they do this bad thing.
* SexForProduct
* {{Straightforward}}
* TalkingPest: A mascot for a product that's a member of the species the product is designed to wipe out.
[[/index]]
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