width and side bar help

check this out

http://cashisonline.com/index

well i want it to look like this

http://i55.tinypic.com/5ysoht.jpg

but also stretch the white area width where the text will be so i can add bigger images without it stretching and messing up theme.

also how would i make the side bar width a bit less and i mean sidebar where eminem pic is.

much help appreciated.