Function: Show a notice when the theme is activated – workaround by Ozh (http://old.nabble.com/Activation-hook-exist-for-themes–td25211004.html)

Function: The styles for the post thumbnails / custom page headers.

Function: Template for comments and pingbacks.

Function: Return the ID of a page set as the home page.

Function: Styles the header image displayed on the Appearance > Header admin panel.