Google webmasters tools Sitemap- How to resolve your problem

A reader of my blog writes:

have seen your website today and its very much interesting. You have a good knowledge.

I need a help from you. I am desperately trying out about sitemap. I am using blogspot blog. url is (http://play-cargames.blogspot.com)
The thing is I am using my feedburner feed as my sitemap in google webmaster tool, but it shows only total no. of post as 26 whereas
i have 45 post.

So, Would you please tell me what i should use as a sitemap for my blog.
PLEASE HELP ME. I KNOW YOUR TIME IS VALUABLE.

Thanks & Regards
Saleel

My answer for Saleel is:
Dear Saleem -Check out my article on How to resolve sitemap problems

I hope I've helped

Kind regards
Danl