Grafics layout

hi guys , i wanna know how to change the layout , and create new layouts , im having troubles in change the current layout of the site , i was reading and i knew that yii uses bluesheet css framework, i wonder to know how to create news layouts , like the site examples in the yii site

BluePrint:

http://www.yiiframework.com/forum/index.php?/topic/19977-css-structure-and-managing/page__p__97760

hello,

you can also download some basic layout types from here: http://yiithemes.mehesz.net/theme/layoutgen

–iM