You've invested time and money in your photography. Wouldn't it be nice to earn a little in return? I just read a pretty good article on Virtural Photography Studio titled 12 Ideas To Make Money With Your Photographs. There were a few things on the list that had never crossed my mind, such as networking with local designers and contractors to provide artwork for model homes and helping to decorate local furniture stores.
Freelance photography is fun, and the income provides a means to reinvest in your passion. Maybe this article will lead to a good business idea for you.