I have not so good credit due to a divorce and my history has suffered due to this to. Will this make count heavily against me while trying to obtain a mortgage.

Bad credit score and payment history will definitely go against you when you apply for a mortgage. You should have a minimum credit score of 620 to receive a FHA loan whereas you should have a credit score of 700-720 to get a conventional loan. If you do not have the required credit score, then you should first try and improve it and then lookout for a mortgage. Check out the given page in order to know some steps to improve your score:
http://www.mortgagefit.com/credit-rating/credit-repair.html

Yes, I'm sorry to say. Some lenders take divorce into account and will be sympathetic but, if your scores are too low there won't be much you can do. We all have guidelines that we have to follow. Depending on your scenario, there might be hope but, definitely do your research.