On the site LetsHomeschool there is a page which are focused on special needs children: Special Needs Homeschool: http://www.letshomeschool.com/articles18.html
On the list of pages in the right column of this site, scroll down to . . .
Special Needs Homeschool, and there are four more pages which address homeschooling children with handicaps, ADHD, giftedness, and special needs, respectively.
Here are two more sites pertaining to special needs homeschooling; the first is from a mother who is homeschooling her daughter, who has Down Syndrome: http://specialconnectionhomeschool.blogspot.com/
And here are some sites of specific interest for Orthodox Christian Homeschooling:
Orthodox Christian Classical Homeschool (Yahoo Group)