As a freelance copywriter for TV/film trailer production companies, I've performed a variety of creative tasks for its marketing teams, including :30 and :60 TV spots, scripts for film ads, theatrical and teaser trailer scripts, taglines, featurettes, and title explorations. 

I have worked and finished on advertisement material for films from such clients as Warner Bros., 20th Century Fox, New Line Cinema, Lionsgate, Universal Pictures, Paramount, etc.  Samples available upon request. Trailer vendors I have worked with include: 

Trailer Park
Concept Arts
Open Road Entertainment

Click on the COMPANY LOGOS to be taken to these fine vendor's company websites.