Your templates are not built from the ground up they are free templates offered on many sites.
All he did was take a base from the many wordpress templates out there! HAHHA just go here and you can find them
http://www.alexking.org/index.php?co...ess/styles.php Odds are very high the very "template" he is using is on that site. It's so easy to put a logo at the top of your wordpress blogs.
I can see paying for an entire CUSTOM theme. But not some simple base when all you did was change the background color in CSS and put in a tiny graident.
P.S. anyone wanting to know how to change their headers in wordpress go here
http://codex.wordpress.org/Designing_Headers