Page BG
 

I have this set in the extra css definitions for the page background:

it works perfect on forumhome, and forumdisplay..
yet when youre in a thread... the background repeats all down the page.

here's a screenshot http://www.sigstorage.com/upload/1821-error_ss.gif

try using

#(hex color) url(grunge1/misc/navbar_bg.gif) repeat-x;

all in the background color box.

The only reason I put (hex color) is coz this is specific to your site. Don't forget that you don't want any brackets there.