First of all, to the term "cripple". It is considered very derogatory. However, I have seen a disabled rights group with a magazine called "Crip rag" or somethign like this. It was a badge of honor used amongst themselves to rail against telethons, etc. A more polite term/Pc term is physically disabled. OTOH, I have never cared for terms like "differently abled", which I have never quite been able to stomach. I have aspergers and we, amongst ourselves call ourselves auties or autists, something long out of fashion. A more PC term for amputee would be person with an amputation. It gets a little long though. The purpose is to point out that the person is not just the amputation.
As for any stories of healings of most things they are pretty much entirely anectodal. A lot of other things have a specific time length or there are known cases of spontaneous healing (cancer, even terminal has a few of these). God will take the credit, or perhaps God heals everything, however you want to think of it. I am pretty dubious of any physical healing for the reasons above. Of course to someone who takes the Bible literally they might take this to mean I think that people were lying who wrote about Jesus. I do not. I think they were showing how important this person was in a way they could. In the Hebrew Bible miracles tend to be in the form of magical events-- a burning bush, etc. I also think it is possible that someone who really believes somethign will be cured of something at times. It is the belief that cures and not what is believed, per se. So anyway, in my view, any kind of illness or condition that doesn't have a spontaneous cure attached to it, well it can't be cured.
I'm not really an atheist, but I just don't think God operates in that way. If he did, I think he would be a very cruel being who ignores the prayers of some people (for instance all the people in Aushwitz, leading to other cruel notions, for instance God not hearing prayers of people with certain beliefs). Other people God would be ignoring is parents of many children, etc.
--des