Core strengthening/stabilization exercises, McKenzie exercises (He has several books out or look online), and pilates exercises are other options.
I used to do transcription for a physiatrist (physician who specializes in physical medicine, rehab, & pain) and he recommended those to most of his patients.
Your x-ray report could be far worse. The radiologist appears to be noting a small degree of "wear & tear" within your lumbar spine.
There are a number of different things you can do to improve your quality of life - chiropractic care, stretching, yoga, etc. Overweight people often notice a decrease in back pain simply by losing a few pounds...
Adam Tanase, D.C.
www.drtanase.com