First, let me thank everyone for their help and input!

I tried all these suggestions and more with no luck.
I didn't want to do this, but I cut up a mouse pinky into 4 bite-size pieces and assist fed the little guy all four pieces. Since then, he has eaten live mouse pinkies every week or two. He is gaining weight and growing and well on his way to being a happy snake. I'm still leaving him alone so he is not stressed and when he gets a little better and is eating more aggressively, I'll start handling him more.

It's always good to hear a success story, so I thought I'd share!

Thanks again everyone!!!!