here is a hint: always look at HTML source and you will see it.
http://www.hungangels.com/blog/wp-co..._182/style.css
Theme Name: Thesis
Theme URI:
http://diythemes.com/thesis/
Description: A website framework so flexible and extensible that you will never have to change your theme again. Seriously. Check out the <a href="admin.php?page=thesis-options">Site Options</a> and the <a href="admin.php?page=thesis-design-options">Design Options</a> to begin your Thesis experience! [ver. 1.8.2]
Version: 1.8.2
Author: Chris Pearson
Author URI:
http://www.pearsonified.com/
Distributor:
http://diythemes.com/