Advertisements can be a very useful and interesting way to get language input. Ads of the World (and its blog) is chock full of TV and print advertisements, searchable by media type, country, region and industry.
To start your browsing, try the July 2013 award winners. Here’s the ad that got the first prize in the film category:
This one won the 3rd prize for DM (direct marketing):
And I found this one in the Japan section. Hilarious.