Hi Steve,
Don't go after the make-money crowd. Go after the photographers.
Focus your entire offer and sales letter on how people who already like photography can make more money.
Make your offer about teaching photographers how to make money doing what they already "love" doing. (Focus on photography - making money the by-product.)
Here is a salesletter you can read to get inspiration:
http://www.thetravelwriterslife.com/etrweb/