Below you’ll find a list of resources which offer free, gorgeous and valid CSS-based templates, very great and fantastic theme - usually with images and full layout structure, such as headers, navigation bars, content containers, sidebars and footers. No credit Card need it.Usually developers require a link to the site where the template was downloaded from. So before using these templates it might be useful to take a look at the license agreement the developer provides.

Six Shooter Media
Yahoo! UI Library: Grids CSS
CSS Design Templates
ThreeColumnLayouts, by CSS Discuss
CSSFILL
CSS Frames Layouts
CSS Template Gallery
Ex-Designz
Code-Sucks
Jimmy Lin
Layout Gala
Little Boxes
Solucija
Open Source Templates
OSWD
OSWT
Maxdesign
CSSplay
Changingman
Mollio