yes - both fixed and fluid are included -
have also posted how to make it adjustable to a members preference .
like the fluid styles on this site .
Adjustable width available for Fluid styles .
can be done by members here form the user cp -> profile page , very bottom along with changing the post bit style .
http://gfxstyles.com/profile.php?do=editprofile
have simplified it a lot just need to ask and can provide the edits necessary in any style - edits for you needs .