Hello,
First thanks you so much for the great theme! I really like the design.
So, i have edit a bit CSS files please check my blog maybe you like it. : http://www.tutspress.com
Now, my problem, i have adding a thumbnail size like 635x200 but the theme resize the image to 620x200 please help me for that. How can fixed 635x200 the thumbnail? (from blog posts)
Here is the example post and thumbnail : http://tutspress.com/showcase/free-hosting-packages-plus-themes-giveway/
Thumbnail : http://tutspress.com/wp-content/uploads/themify-giveway-620x200.jpg
Thanks for now.
Create a new thread and tell me what problems you are encountering and what you want to know. 
There is no step 3 :) 
