Well I"m probably a bad person to answer this , but I've been working on it, too. Developing a strong positive bond with my therapist is helping me a lot.

And another thing I did like a year ago, which might really work with your belief system, was I kept a "Be Happy" book for a while. It was just a little mini notebook that I kept easily accessible. Every day I wrote something happy in it (sometimes it was darn hard, and I had to get creative). I would write either: something good about me, something I was grateful for, something someone said or did that made me feel good, or some small thing that made me smile for a minute that day. It really did help, when I was good about doing it.