Some career experts give a blanket statement that you should never ever put a photo on your resume or CV. Here is a question for you: Do you have a photo on your LinkedIn profile? Why do the same experts actually recommend putting a photo there?
Decide for yourself based on the job and the industry you are applying for, and the conventions in YOUR country. In this century, we need to rise above the discrimination threat and present ourselves as we want. A word of advice: Use a professional looking photo!
Read these specific guidelines for photo resumes.