Contest ends July 13.

American Express is teaming up with Facebook for the Big Break for Small Businesses contest. Five winners will receive $25,000 and a one-on-one strategy session with Facebook to develop a social media plan and put it to use. American Express cardholders and merchants who enter Big Break and complete the social media video series will earn $100 credit in Facebook ads, and all other Big Break entrants who complete the series will earn a $50 Facebook ad credit.