I have plantar fasciitis myself for a few months now. My podiatrist prescribed me with Custom made orthotics which did not work at all. I understood that treatment efficiency is very individual. If something works for one maybe it will not work for the other. I have found Taping very useful.
In the beginning the pain was very strong but after a few weeks of the right treatment you start to feel better. Today as I am feeling much better with the pain I am doing a combination of stretching and strengthening exercises. I have found a good website summary explaining the subject of these exercises in:http://www.plantar-fasciitis-elrofeet.com/plantar_fasciitis_exercises.html
Take care & Good luck