Well then he should have tried to get the house refinanced by January 2007. Take him back to court for contempt. Ask the court to force a sale of the house and your ex to absorb the entire loss if any.
Parents should remember 3 things: Love your kids more than you hate your ex; when you have children the relationship with the other parent is until death; your children determine what type of nursing home you end up in.
Nothing stated by me should be taken as giving you legal advice or forming an attorney/client relationship.
Attorney-GAL in Ohio.
I've removed the knife from my back, polished it, and will one day return it -- long after you think I have forgotten.