Why an Ad Firstly have to be interesting?
if your ad are published into media, there a lot people out there with different emotion wacth it. angry, sad, happy or even desperate. advertising is an art how to politicaly move people to buy our good whatever their felling. thats why to insert our goods to their mind advertising must be branded and interesting. find a way to say about your good in different way. a shampoo advertising not always put a beutiful hair for the theme. but you also get another mind mapping that connected to the result of using your goods.
Make a hypnotic advertising.
this is the point, interesting advertise is an ad that have a hypnotic things. people can stop to think about it and buried in the subconsious mind, and have enough time until they went to the shop to buy your goods.
try another strategies
there a lot of strategies to explore. don't stop at one spot. keep exploring.